depth 0: r = 1
depth 1: r = 1
depth 2: r = 1
depth 3: r = 1
depth 4: r = 1
depth 5: r = 1
depth 6: r = 1
depth 7: r = 1
depth 8: r = 1
depth 9: r = 1
depth 10: r = 1
depth 11: r = 1
depth 12: r = 1
depth 13: r = 1
depth 14: r = 1
depth 15: r = 1
depth 16: r = 1
depth 17: r = 1
depth 18: r = 1
depth 19: r = 1
depth 20: r = 1
depth 21: r = 1
depth 22: r = 1
depth 23: r = 1
depth 24: r = 1
depth 25: r = 1
depth 26: r = 1
depth 27: r = 1
depth 28: r = 1
depth 29: r = 1
depth 30: r = 1
depth 31: r = 1
depth 32: r = 1
depth 33: r = 1
depth 34: r = 1
depth 35: r = 1
depth 36: r = 1
depth 37: r = 1
depth 38: r = 1
depth 39: r = 1
depth 40: r = 1
depth 41: r = 1
depth 42: r = 1
depth 43: r = 1
depth 44: r = 1
depth 45: r = 1
depth 46: r = 1
depth 47: r = 1
depth 48: r = 1
depth 49: r = 1
depth 50: r = 1
depth 51: r = 1
depth 52: r = 1
depth 53: r = 1
depth 54: r = 1
depth 55: r = 1
depth 56: r = 1
depth 57: r = 1
depth 58: r = 1
depth 59: r = 1
depth 60: r = 1
depth 61: r = 1
depth 62: r = 1
depth 63: r = 1
depth 64: r = 1
depth 65: r = 1
depth 66: r = 1
depth 67: r = 1
depth 68: r = 1
depth 69: r = 1
depth 70: r = 1
depth 71: r = 1
depth 72: r = 1
depth 73: r = 1
depth 74: r = 1
depth 75: r = 1
depth 76: r = 1
depth 77: r = 1
depth 78: r = 1
depth 79: r = 1
depth 80: r = 1
depth 81: r = 1
depth 82: r = 1
depth 83: r = 1
depth 84: r = 1
depth 85: r = 1
depth 86: r = 1
depth 87: r = 1
depth 88: r = 1
depth 89: r = 1
depth 90: r = 1
depth 91: r = 1
depth 92: r = 1
depth 93: r = 1
depth 94: r = 1
depth 95: r = 1
depth 96: r = 1
depth 97: r = 1
depth 98: r = 1
depth 99: r = 1
depth 100: r = 1
depth 101: r = 1
depth 102: r = 1
depth 103: r = 1
depth 104: r = 1
depth 105: r = 1
depth 106: r = 1
depth 107: r = 1
depth 108: r = 1
depth 109: r = 1
depth 110: r = 1
depth 111: r = 1
depth 112: r = 1
depth 113: r = 1
depth 114: r = 1
depth 115: r = 1
depth 116: r = 1
depth 117: r = 1
depth 118: r = 1
depth 119: r = 1
depth 120: r = 1
depth 121: r = 1
depth 122: r = 1
depth 123: r = 1
depth 124: r = 1
depth 125: r = 1
depth 126: r = 1
depth 127: r = 1
depth 128: r = 1
depth 129: r = 1
depth 130: r = 1
depth 131: r = 1
depth 132: r = 1
depth 133: r = 1
depth 134: r = 1
depth 135: r = 1
depth 136: r = 1
depth 137: r = 1
depth 138: r = 1
depth 139: r = 1
depth 140: r = 1
depth 141: r = 1
depth 142: r = 1
depth 143: r = 1
depth 144: r = 1
depth 145: r = 1
depth 146: r = 1
depth 147: r = 1
depth 148: r = 1
depth 149: r = 1
depth 150: r = 1
depth 151: r = 1
depth 152: r = 1
depth 153: r = 1
depth 154: r = 1
depth 155: r = 1
depth 156: r = 1
depth 157: r = 1
depth 158: r = 1
depth 159: r = 1
depth 160: r = 1
depth 161: r = 1
depth 162: r = 1
depth 163: r = 1
depth 164: r = 1
depth 165: r = 1
depth 166: r = 1
depth 167: r = 1
depth 168: r = 1
depth 169: r = 1
depth 170: r = 1
depth 171: r = 1
depth 172: r = 1
depth 173: r = 1
depth 174: r = 1
depth 175: r = 1
depth 176: r = 1
depth 177: r = 1
depth 178: r = 1
depth 179: r = 1
depth 180: r = 1
depth 181: r = 1
depth 182: r = 1
depth 183: r = 1
depth 184: r = 1
depth 185: r = 1
depth 186: r = 1
depth 187: r = 1
depth 188: r = 1
depth 189: r = 1
depth 190: r = 1
depth 191: r = 1
depth 192: r = 1
depth 193: r = 1
depth 194: r = 1
depth 195: r = 1
depth 196: r = 1
depth 197: r = 1
depth 198: r = 1
depth 199: r = 1
depth 200: r = 1
depth 201: r = 1
depth 202: r = 1
depth 203: r = 1
depth 204: r = 1
depth 205: r = 1
depth 206: r = 1
depth 207: r = 1
depth 208: r = 1
depth 209: r = 1
depth 210: r = 1
depth 211: r = 1
depth 212: r = 1
depth 213: r = 1
depth 214: r = 1
depth 215: r = 1
depth 216: r = 1
depth 217: r = 1
depth 218: r = 1
depth 219: r = 1
depth 220: r = 1
depth 221: r = 1
depth 222: r = 1
depth 223: r = 1
depth 224: r = 1
depth 225: r = 1
depth 226: r = 1
depth 227: r = 1
depth 228: r = 1
depth 229: r = 1
depth 230: r = 1
depth 231: r = 1
depth 232: r = 1
depth 233: r = 1
depth 234: r = 1
depth 235: r = 1
depth 236: r = 1
depth 237: r = 1
depth 238: r = 1
depth 239: r = 1
depth 240: r = 1
depth 241: r = 1
depth 242: r = 1
depth 243: r = 1
depth 244: r = 1
depth 245: r = 1
depth 246: r = 1
depth 247: r = 1
depth 248: r = 1
depth 249: r = 1
depth 250: r = 1
depth 251: r = 1
depth 252: r = 1
depth 253: r = 1
depth 254: r = 1
depth 255: r = 1
depth 256: r = 1
depth 257: r = 1
depth 258: r = 1
depth 259: r = 1
depth 260: r = 1
depth 261: r = 1
depth 262: r = 1
depth 263: r = 1
depth 264: r = 1
depth 265: r = 1
depth 266: r = 1
depth 267: r = 1
depth 268: r = 1
depth 269: r = 1
depth 270: r = 1
depth 271: r = 1
depth 272: r = 1
depth 273: r = 1
depth 274: r = 1
depth 275: r = 1
depth 276: r = 1
depth 277: r = 1
depth 278: r = 1
depth 279: r = 1
depth 280: r = 1
depth 281: r = 1
depth 282: r = 1
depth 283: r = 1
depth 284: r = 1
depth 285: r = 1
depth 286: r = 1
depth 287: r = 1
depth 288: r = 1
depth 289: r = 1
depth 290: r = 1
depth 291: r = 1
depth 292: r = 1
depth 293: r = 1
depth 294: r = 1
depth 295: r = 1
depth 296: r = 1
depth 297: r = 1
depth 298: r = 1
depth 299: r = 1
depth 300: r = 1
depth 301: r = 1
depth 302: r = 1
depth 303: r = 1
depth 304: r = 1
depth 305: r = 1
depth 306: r = 1
depth 307: r = 1
depth 308: r = 1
depth 309: r = 1
depth 310: r = 1
depth 311: r = 1
depth 312: r = 1
depth 313: r = 1
depth 314: r = 1
depth 315: r = 1
depth 316: r = 1
depth 317: r = 1
depth 318: r = 1
depth 319: r = 1
depth 320: r = 1
depth 321: r = 1
depth 322: r = 1
depth 323: r = 1
depth 324: r = 1
depth 325: r = 1
depth 326: r = 1
depth 327: r = 1
depth 328: r = 1
depth 329: r = 1
depth 330: r = 1
depth 331: r = 1
depth 332: r = 1
depth 333: r = 1
depth 334: r = 1
depth 335: r = 1
depth 336: r = 1
depth 337: r = 1
depth 338: r = 1
depth 339: r = 1
depth 340: r = 1
depth 341: r = 1
depth 342: r = 1
depth 343: r = 1
depth 344: r = 1
depth 345: r = 1
depth 346: r = 1
depth 347: r = 1
depth 348: r = 1
depth 349: r = 1
depth 350: r = 1
depth 351: r = 1
depth 352: r = 1
depth 353: r = 1
depth 354: r = 1
depth 355: r = 1
depth 356: r = 1
depth 357: r = 1
depth 358: r = 1
depth 359: r = 1
depth 360: r = 1
depth 361: r = 1
depth 362: r = 1
depth 363: r = 1
depth 364: r = 1
depth 365: r = 1
depth 366: r = 1
depth 367: r = 1
depth 368: r = 1
depth 369: r = 1
depth 370: r = 1
depth 371: r = 1
depth 372: r = 1
depth 373: r = 1
depth 374: r = 1
depth 375: r = 1
depth 376: r = 1
depth 377: r = 1
depth 378: r = 1
depth 379: r = 1
depth 380: r = 1
depth 381: r = 1
depth 382: r = 1
depth 383: r = 1
depth 384: r = 1
depth 385: r = 1
depth 386: r = 1
depth 387: r = 1
depth 388: r = 1
depth 389: r = 1
depth 390: r = 1
depth 391: r = 1
depth 392: r = 1
depth 393: r = 1
depth 394: r = 1
depth 395: r = 1
depth 396: r = 1
depth 397: r = 1
depth 398: r = 1
depth 399: r = 1
depth 400: r = 1
depth 401: r = 1
depth 402: r = 1
depth 403: r = 1
depth 404: r = 1
depth 405: r = 1
depth 406: r = 1
depth 407: r = 1
depth 408: r = 1
depth 409: r = 1
depth 410: r = 1
depth 411: r = 1
depth 412: r = 1
depth 413: r = 1
depth 414: r = 1
depth 415: r = 1
depth 416: r = 1
depth 417: r = 1
depth 418: r = 1
depth 419: r = 1
depth 420: r = 1
depth 421: r = 1
depth 422: r = 1
depth 423: r = 1
depth 424: r = 1
depth 425: r = 1
depth 426: r = 1
depth 427: r = 1
depth 428: r = 1
depth 429: r = 1
depth 430: r = 1
depth 431: r = 1
depth 432: r = 1
depth 433: r = 1
depth 434: r = 1
depth 435: r = 1
depth 436: r = 1
depth 437: r = 1
depth 438: r = 1
depth 439: r = 1
depth 440: r = 1
depth 441: r = 1
depth 442: r = 1
depth 443: r = 1
depth 444: r = 1
depth 445: r = 1
depth 446: r = 1
depth 447: r = 1
depth 448: r = 1
depth 449: r = 1
depth 450: r = 1
depth 451: r = 1
depth 452: r = 1
depth 453: r = 1
depth 454: r = 1
depth 455: r = 1
depth 456: r = 1
depth 457: r = 1
depth 458: r = 1
depth 459: r = 1
depth 460: r = 1
depth 461: r = 1
depth 462: r = 1
depth 463: r = 1
depth 464: r = 1
depth 465: r = 1
depth 466: r = 1
depth 467: r = 1
depth 468: r = 1
depth 469: r = 1
depth 470: r = 1
depth 471: r = 1
depth 472: r = 1
depth 473: r = 1
depth 474: r = 1
depth 475: r = 1
depth 476: r = 1
depth 477: r = 1
depth 478: r = 1
depth 479: r = 1
depth 480: r = 1
depth 481: r = 1
depth 482: r = 1
depth 483: r = 1
depth 484: r = 1
depth 485: r = 1
depth 486: r = 1
depth 487: r = 1
depth 488: r = 1
depth 489: r = 1
depth 490: r = 1
depth 491: r = 1
depth 492: r = 1
depth 493: r = 1
depth 494: r = 1
depth 495: r = 1
depth 496: r = 1
depth 497: r = 1
depth 498: r = 1
depth 499: r = 1
depth 500: r = 1
depth 501: r = 1
depth 502: r = 1
depth 503: r = 1
depth 504: r = 1
depth 505: r = 1
depth 506: r = 1
depth 507: r = 1
depth 508: r = 1
depth 509: r = 1
depth 510: r = 1
depth 511: r = 1
depth 512: r = 1
depth 513: r = 1
depth 514: r = 1
depth 515: r = 1
depth 516: r = 1
depth 517: r = 1
depth 518: r = 1
depth 519: r = 1
depth 520: r = 1
depth 521: r = 1
depth 522: r = 1
depth 523: r = 1
depth 524: r = 1
depth 525: r = 1
depth 526: r = 1
depth 527: r = 1
depth 528: r = 1
depth 529: r = 1
depth 530: r = 1
depth 531: r = 1
depth 532: r = 1
depth 533: r = 1
depth 534: r = 1
depth 535: r = 1
depth 536: r = 1
depth 537: r = 1
depth 538: r = 1
depth 539: r = 1
depth 540: r = 1
depth 541: r = 1
depth 542: r = 1
depth 543: r = 1
depth 544: r = 1
depth 545: r = 1
depth 546: r = 1
depth 547: r = 1
depth 548: r = 1
depth 549: r = 1
depth 550: r = 1
depth 551: r = 1
depth 552: r = 1
depth 553: r = 1
depth 554: r = 1
depth 555: r = 1
depth 556: r = 1
depth 557: r = 1
depth 558: r = 1
depth 559: r = 1
depth 560: r = 1
depth 561: r = 1
depth 562: r = 1
depth 563: r = 1
depth 564: r = 1
depth 565: r = 1
depth 566: r = 1
depth 567: r = 1
depth 568: r = 1
depth 569: r = 1
depth 570: r = 1
depth 571: r = 1
depth 572: r = 1
depth 573: r = 1
depth 574: r = 1
depth 575: r = 1
depth 576: r = 1
depth 577: r = 1
depth 578: r = 1
depth 579: r = 1
depth 580: r = 1
depth 581: r = 1
depth 582: r = 1
depth 583: r = 1
depth 584: r = 1
depth 585: r = 1
depth 586: r = 1
depth 587: r = 1
depth 588: r = 1
depth 589: r = 1
depth 590: r = 1
depth 591: r = 1
depth 592: r = 1
depth 593: r = 1
depth 594: r = 1
depth 595: r = 1
depth 596: r = 1
depth 597: r = 1
depth 598: r = 1
depth 599: r = 1
depth 600: r = 1
depth 601: r = 1
depth 602: r = 1
depth 603: r = 1
depth 604: r = 1
depth 605: r = 1
depth 606: r = 1
depth 607: r = 1
depth 608: r = 1
depth 609: r = 1
depth 610: r = 1
depth 611: r = 1
depth 612: r = 1
depth 613: r = 1
depth 614: r = 1
depth 615: r = 1
depth 616: r = 1
depth 617: r = 1
depth 618: r = 1
depth 619: r = 1
depth 620: r = 1
depth 621: r = 1
depth 622: r = 1
depth 623: r = 1
depth 624: r = 1
depth 625: r = 1
depth 626: r = 1
depth 627: r = 1
depth 628: r = 1
depth 629: r = 1
depth 630: r = 1
depth 631: r = 1
depth 632: r = 1
depth 633: r = 1
depth 634: r = 1
depth 635: r = 1
depth 636: r = 1
depth 637: r = 1
depth 638: r = 1
depth 639: r = 1
depth 640: r = 1
depth 641: r = 1
depth 642: r = 1
depth 643: r = 1
depth 644: r = 1
depth 645: r = 1
depth 646: r = 1
depth 647: r = 1
depth 648: r = 1
depth 649: r = 1
depth 650: r = 1
depth 651: r = 1
depth 652: r = 1
depth 653: r = 1
depth 654: r = 1
depth 655: r = 1
depth 656: r = 1
depth 657: r = 1
depth 658: r = 1
depth 659: r = 1
depth 660: r = 1
depth 661: r = 1
depth 662: r = 1
depth 663: r = 1
depth 664: r = 1
depth 665: r = 1
depth 666: r = 1
depth 667: r = 1
depth 668: r = 1
depth 669: r = 1
depth 670: r = 1
depth 671: r = 1
depth 672: r = 1
depth 673: r = 1
depth 674: r = 1
depth 675: r = 1
depth 676: r = 1
depth 677: r = 1
depth 678: r = 1
depth 679: r = 1
depth 680: r = 1
depth 681: r = 1
depth 682: r = 1
depth 683: r = 1
depth 684: r = 1
depth 685: r = 1
depth 686: r = 1
depth 687: r = 1
depth 688: r = 1
depth 689: r = 1
depth 690: r = 1
depth 691: r = 1
depth 692: r = 1
depth 693: r = 1
depth 694: r = 1
depth 695: r = 1
depth 696: r = 1
depth 697: r = 1
depth 698: r = 1
depth 699: r = 1
depth 700: r = 1
depth 701: r = 1
depth 702: r = 1
depth 703: r = 1
depth 704: r = 1
depth 705: r = 1
depth 706: r = 1
depth 707: r = 1
depth 708: r = 1
depth 709: r = 1
depth 710: r = 1
depth 711: r = 1
depth 712: r = 1
depth 713: r = 1
depth 714: r = 1
depth 715: r = 1
depth 716: r = 1
depth 717: r = 1
depth 718: r = 1
depth 719: r = 1
depth 720: r = 1
depth 721: r = 1
depth 722: r = 1
depth 723: r = 1
depth 724: r = 1
depth 725: r = 1
depth 726: r = 1
depth 727: r = 1
depth 728: r = 1
depth 729: r = 1
depth 730: r = 1
depth 731: r = 1
depth 732: r = 1
depth 733: r = 1
depth 734: r = 1
depth 735: r = 1
depth 736: r = 1
depth 737: r = 1
depth 738: r = 1
depth 739: r = 1
depth 740: r = 1
depth 741: r = 1
depth 742: r = 1
depth 743: r = 1
depth 744: r = 1
depth 745: r = 1
depth 746: r = 1
depth 747: r = 1
depth 748: r = 1
depth 749: r = 1
depth 750: r = 1
depth 751: r = 1
depth 752: r = 1
depth 753: r = 1
depth 754: r = 1
depth 755: r = 1
depth 756: r = 1
depth 757: r = 1
depth 758: r = 1
depth 759: r = 1
depth 760: r = 1
depth 761: r = 1
depth 762: r = 1
depth 763: r = 1
depth 764: r = 1
depth 765: r = 1
depth 766: r = 1
depth 767: r = 1
depth 768: r = 1
depth 769: r = 1
depth 770: r = 1
depth 771: r = 1
depth 772: r = 1
depth 773: r = 1
depth 774: r = 1
depth 775: r = 1
depth 776: r = 1
depth 777: r = 1
depth 778: r = 1
depth 779: r = 1
depth 780: r = 1
depth 781: r = 1
depth 782: r = 1
depth 783: r = 1
depth 784: r = 1
depth 785: r = 1
depth 786: r = 1
depth 787: r = 1
depth 788: r = 1
depth 789: r = 1
depth 790: r = 1
depth 791: r = 1
depth 792: r = 1
depth 793: r = 1
depth 794: r = 1
depth 795: r = 1
depth 796: r = 1
depth 797: r = 1
depth 798: r = 1
depth 799: r = 1
depth 800: r = 1
depth 801: r = 1
depth 802: r = 1
depth 803: r = 1
depth 804: r = 1
depth 805: r = 1
depth 806: r = 1
depth 807: r = 1
depth 808: r = 1
depth 809: r = 1
depth 810: r = 1
depth 811: r = 1
depth 812: r = 1
depth 813: r = 1
depth 814: r = 1
depth 815: r = 1
depth 816: r = 1
depth 817: r = 1
depth 818: r = 1
depth 819: r = 1
depth 820: r = 1
depth 821: r = 1
depth 822: r = 1
depth 823: r = 1
depth 824: r = 1
depth 825: r = 1
depth 826: r = 1
depth 827: r = 1
depth 828: r = 1
depth 829: r = 1
depth 830: r = 1
depth 831: r = 1
depth 832: r = 1
depth 833: r = 1
depth 834: r = 1
depth 835: r = 1
depth 836: r = 1
depth 837: r = 1
depth 838: r = 1
depth 839: r = 1
depth 840: r = 1
depth 841: r = 1
depth 842: r = 1
depth 843: r = 1
depth 844: r = 1
depth 845: r = 1
depth 846: r = 1
depth 847: r = 1
depth 848: r = 1
depth 849: r = 1
depth 850: r = 1
depth 851: r = 1
depth 852: r = 1
depth 853: r = 1
depth 854: r = 1
depth 855: r = 1
depth 856: r = 1
depth 857: r = 1
depth 858: r = 1
depth 859: r = 1
depth 860: r = 1
depth 861: r = 1
depth 862: r = 1
depth 863: r = 1
depth 864: r = 1
depth 865: r = 1
depth 866: r = 1
depth 867: r = 1
depth 868: r = 1
depth 869: r = 1
depth 870: r = 1
depth 871: r = 1
depth 872: r = 1
depth 873: r = 1
depth 874: r = 1
depth 875: r = 1
depth 876: r = 1
depth 877: r = 1
depth 878: r = 1
depth 879: r = 1
depth 880: r = 1
depth 881: r = 1
depth 882: r = 1
depth 883: r = 1
depth 884: r = 1
depth 885: r = 1
depth 886: r = 1
depth 887: r = 1
depth 888: r = 1
depth 889: r = 1
depth 890: r = 1
depth 891: r = 1
depth 892: r = 1
depth 893: r = 1
depth 894: r = 1
depth 895: r = 1
depth 896: r = 1
depth 897: r = 1
depth 898: r = 1
depth 899: r = 1
depth 900: r = 1
depth 901: r = 1
depth 902: r = 1
depth 903: r = 1
depth 904: r = 1
depth 905: r = 1
depth 906: r = 1
depth 907: r = 1
depth 908: r = 1
depth 909: r = 1
depth 910: r = 1
depth 911: r = 1
depth 912: r = 1
depth 913: r = 1
depth 914: r = 1
depth 915: r = 1
depth 916: r = 1
depth 917: r = 1
depth 918: r = 1
depth 919: r = 1
depth 920: r = 1
depth 921: r = 1
depth 922: r = 1
depth 923: r = 1
depth 924: r = 1
depth 925: r = 1
depth 926: r = 1
depth 927: r = 1
depth 928: r = 1
depth 929: r = 1
depth 930: r = 1
depth 931: r = 1
depth 932: r = 1
depth 933: r = 1
depth 934: r = 1
depth 935: r = 1
depth 936: r = 1
depth 937: r = 1
depth 938: r = 1
depth 939: r = 1
depth 940: r = 1
depth 941: r = 1
depth 942: r = 1
depth 943: r = 1
depth 944: r = 1
depth 945: r = 1
depth 946: r = 1
depth 947: r = 1
depth 948: r = 1
depth 949: r = 1
depth 950: r = 1
depth 951: r = 1
depth 952: r = 1
depth 953: r = 1
depth 954: r = 1
depth 955: r = 1
depth 956: r = 1
depth 957: r = 1
depth 958: r = 1
depth 959: r = 1
depth 960: r = 1
depth 961: r = 1
depth 962: r = 1
depth 963: r = 1
depth 964: r = 1
depth 965: r = 1
depth 966: r = 1
depth 967: r = 1
depth 968: r = 1
depth 969: r = 1
depth 970: r = 1
depth 971: r = 1
depth 972: r = 1
depth 973: r = 1
depth 974: r = 1
depth 975: r = 1
depth 976: r = 1
depth 977: r = 1
depth 978: r = 1
depth 979: r = 1
depth 980: r = 1
depth 981: r = 1
depth 982: r = 1
depth 983: r = 1
depth 984: r = 1
depth 985: r = 1
depth 986: r = 1
depth 987: r = 1
depth 988: r = 1
depth 989: r = 1
depth 990: r = 1
depth 991: r = 1
depth 992: r = 1
depth 993: r = 1
depth 994: r = 1
depth 995: r = 1
depth 996: r = 1
depth 997: r = 1
depth 998: r = 1
depth 999: r = 1
depth 1000: r = 1
depth 1001: r = 1
depth 1002: r = 1
depth 1003: r = 1
depth 1004: r = 1
depth 1005: r = 1
depth 1006: r = 1
depth 1007: r = 1
depth 1008: r = 1
depth 1009: r = 1
depth 1010: r = 1
depth 1011: r = 1
depth 1012: r = 1
depth 1013: r = 1
depth 1014: r = 1
depth 1015: r = 1
depth 1016: r = 1
depth 1017: r = 1
depth 1018: r = 1
depth 1019: r = 1
depth 1020: r = 1
depth 1021: r = 1
depth 1022: r = 1
depth 1023: r = 1
depth 1024: r = 1
depth 1025: r = 1
depth 1026: r = 1
depth 1027: r = 1
depth 1028: r = 1
depth 1029: r = 1
depth 1030: r = 1
depth 1031: r = 1
depth 1032: r = 1
depth 1033: r = 1
depth 1034: r = 1
depth 1035: r = 1
depth 1036: r = 1
depth 1037: r = 1
depth 1038: r = 1
depth 1039: r = 1
depth 1040: r = 1
depth 1041: r = 1
depth 1042: r = 1
depth 1043: r = 1
depth 1044: r = 1
depth 1045: r = 1
depth 1046: r = 1
depth 1047: r = 1
depth 1048: r = 1
depth 1049: r = 1
depth 1050: r = 1
depth 1051: r = 1
depth 1052: r = 1
depth 1053: r = 1
depth 1054: r = 1
depth 1055: r = 1
depth 1056: r = 1
depth 1057: r = 1
depth 1058: r = 1
depth 1059: r = 1
depth 1060: r = 1
depth 1061: r = 1
depth 1062: r = 1
depth 1063: r = 1
depth 1064: r = 1
depth 1065: r = 1
depth 1066: r = 1
depth 1067: r = 1
depth 1068: r = 1
depth 1069: r = 1
depth 1070: r = 1
depth 1071: r = 1
depth 1072: r = 1
depth 1073: r = 1
depth 1074: r = 1
depth 1075: r = 1
depth 1076: r = 1
depth 1077: r = 1
depth 1078: r = 1
depth 1079: r = 1
depth 1080: r = 1
depth 1081: r = 1
depth 1082: r = 1
depth 1083: r = 1
depth 1084: r = 1
depth 1085: r = 1
depth 1086: r = 1
depth 1087: r = 1
depth 1088: r = 1
depth 1089: r = 1
depth 1090: r = 1
depth 1091: r = 1
depth 1092: r = 1
depth 1093: r = 1
depth 1094: r = 1
depth 1095: r = 1
depth 1096: r = 1
depth 1097: r = 1
depth 1098: r = 1
depth 1099: r = 1
depth 1100: r = 1
depth 1101: r = 1
depth 1102: r = 1
depth 1103: r = 1
depth 1104: r = 1
depth 1105: r = 1
depth 1106: r = 1
depth 1107: r = 1
depth 1108: r = 1
depth 1109: r = 1
depth 1110: r = 1
depth 1111: r = 1
depth 1112: r = 1
depth 1113: r = 1
depth 1114: r = 1
depth 1115: r = 1
depth 1116: r = 1
depth 1117: r = 1
depth 1118: r = 1
depth 1119: r = 1
depth 1120: r = 1
depth 1121: r = 1
depth 1122: r = 1
depth 1123: r = 1
depth 1124: r = 1
depth 1125: r = 1
depth 1126: r = 1
depth 1127: r = 1
depth 1128: r = 1
depth 1129: r = 1
depth 1130: r = 1
depth 1131: r = 1
depth 1132: r = 1
depth 1133: r = 1
depth 1134: r = 1
depth 1135: r = 1
depth 1136: r = 1
depth 1137: r = 1
depth 1138: r = 1
depth 1139: r = 1
depth 1140: r = 1
depth 1141: r = 1
depth 1142: r = 1
depth 1143: r = 1
depth 1144: r = 1
depth 1145: r = 1
depth 1146: r = 1
depth 1147: r = 1
depth 1148: r = 1
depth 1149: r = 1
depth 1150: r = 1
depth 1151: r = 1
depth 1152: r = 1
depth 1153: r = 1
depth 1154: r = 1
depth 1155: r = 1
depth 1156: r = 1
depth 1157: r = 1
depth 1158: r = 1
depth 1159: r = 1
depth 1160: r = 1
depth 1161: r = 1
depth 1162: r = 1
depth 1163: r = 1
depth 1164: r = 1
depth 1165: r = 1
depth 1166: r = 1
depth 1167: r = 1
depth 1168: r = 1
depth 1169: r = 1
depth 1170: r = 1
depth 1171: r = 1
depth 1172: r = 1
depth 1173: r = 1
depth 1174: r = 1
depth 1175: r = 1
depth 1176: r = 1
depth 1177: r = 1
depth 1178: r = 1
depth 1179: r = 1
depth 1180: r = 1
depth 1181: r = 1
depth 1182: r = 1
depth 1183: r = 1
depth 1184: r = 1
depth 1185: r = 1
depth 1186: r = 1
depth 1187: r = 1
depth 1188: r = 1
depth 1189: r = 1
depth 1190: r = 1
depth 1191: r = 1
depth 1192: r = 1
depth 1193: r = 1
depth 1194: r = 1
depth 1195: r = 1
depth 1196: r = 1
depth 1197: r = 1
depth 1198: r = 1
depth 1199: r = 1
depth 1200: r = 1
depth 1201: r = 1
depth 1202: r = 1
depth 1203: r = 1
depth 1204: r = 1
depth 1205: r = 1
depth 1206: r = 1
depth 1207: r = 1
depth 1208: r = 1
depth 1209: r = 1
depth 1210: r = 1
depth 1211: r = 1
depth 1212: r = 1
depth 1213: r = 1
depth 1214: r = 1
depth 1215: r = 1
depth 1216: r = 1
depth 1217: r = 1
depth 1218: r = 1
depth 1219: r = 1
depth 1220: r = 1
depth 1221: r = 1
depth 1222: r = 1
depth 1223: r = 1
depth 1224: r = 1
depth 1225: r = 1
depth 1226: r = 1
depth 1227: r = 1
depth 1228: r = 1
depth 1229: r = 1
depth 1230: r = 1
depth 1231: r = 1
depth 1232: r = 1
depth 1233: r = 1
depth 1234: r = 1
depth 1235: r = 1
depth 1236: r = 1
depth 1237: r = 1
depth 1238: r = 1
depth 1239: r = 1
depth 1240: r = 1
depth 1241: r = 1
depth 1242: r = 1
depth 1243: r = 1
depth 1244: r = 1
depth 1245: r = 1
depth 1246: r = 1
depth 1247: r = 1
depth 1248: r = 1
depth 1249: r = 1
depth 1250: r = 1
depth 1251: r = 1
depth 1252: r = 1
depth 1253: r = 1
depth 1254: r = 1
depth 1255: r = 1
depth 1256: r = 1
depth 1257: r = 1
depth 1258: r = 1
depth 1259: r = 1
depth 1260: r = 1
depth 1261: r = 1
depth 1262: r = 1
depth 1263: r = 1
depth 1264: r = 1
depth 1265: r = 1
depth 1266: r = 1
depth 1267: r = 1
depth 1268: r = 1
depth 1269: r = 1
depth 1270: r = 1
depth 1271: r = 1
depth 1272: r = 1
depth 1273: r = 1
depth 1274: r = 1
depth 1275: r = 1
depth 1276: r = 1
depth 1277: r = 1
depth 1278: r = 1
depth 1279: r = 1
depth 1280: r = 1
depth 1281: r = 1
depth 1282: r = 1
depth 1283: r = 1
depth 1284: r = 1
depth 1285: r = 1
depth 1286: r = 1
depth 1287: r = 1
depth 1288: r = 1
depth 1289: r = 1
depth 1290: r = 1
depth 1291: r = 1
depth 1292: r = 1
depth 1293: r = 1
depth 1294: r = 1
depth 1295: r = 1
depth 1296: r = 1
depth 1297: r = 1
depth 1298: r = 1
depth 1299: r = 1
depth 1300: r = 1
depth 1301: r = 1
depth 1302: r = 1
depth 1303: r = 1
depth 1304: r = 1
depth 1305: r = 1
depth 1306: r = 1
depth 1307: r = 1
depth 1308: r = 1
depth 1309: r = 1
depth 1310: r = 1
depth 1311: r = 1
depth 1312: r = 1
depth 1313: r = 1
depth 1314: r = 1
depth 1315: r = 1
depth 1316: r = 1
depth 1317: r = 1
depth 1318: r = 1
depth 1319: r = 1
depth 1320: r = 1
depth 1321: r = 1
depth 1322: r = 1
depth 1323: r = 1
depth 1324: r = 1
depth 1325: r = 1
depth 1326: r = 1
depth 1327: r = 1
depth 1328: r = 1
depth 1329: r = 1
depth 1330: r = 1
depth 1331: r = 1
depth 1332: r = 1
depth 1333: r = 1
depth 1334: r = 1
depth 1335: r = 1
depth 1336: r = 1
depth 1337: r = 1
depth 1338: r = 1
depth 1339: r = 1
depth 1340: r = 1
depth 1341: r = 1
depth 1342: r = 1
depth 1343: r = 1
depth 1344: r = 1
depth 1345: r = 1
depth 1346: r = 1
depth 1347: r = 1
depth 1348: r = 1
depth 1349: r = 1
depth 1350: r = 1
depth 1351: r = 1
depth 1352: r = 1
depth 1353: r = 1
depth 1354: r = 1
depth 1355: r = 1
depth 1356: r = 1
depth 1357: r = 1
depth 1358: r = 1
depth 1359: r = 1
depth 1360: r = 1
depth 1361: r = 1
depth 1362: r = 1
depth 1363: r = 1
depth 1364: r = 1
depth 1365: r = 1
depth 1366: r = 1
depth 1367: r = 1
depth 1368: r = 1
depth 1369: r = 1
depth 1370: r = 1
depth 1371: r = 1
depth 1372: r = 1
depth 1373: r = 1
depth 1374: r = 1
depth 1375: r = 1
depth 1376: r = 1
depth 1377: r = 1
depth 1378: r = 1
depth 1379: r = 1
depth 1380: r = 1
depth 1381: r = 1
depth 1382: r = 1
depth 1383: r = 1
depth 1384: r = 1
depth 1385: r = 1
depth 1386: r = 1
depth 1387: r = 1
depth 1388: r = 1
depth 1389: r = 1
depth 1390: r = 1
depth 1391: r = 1
depth 1392: r = 1
depth 1393: r = 1
depth 1394: r = 1
depth 1395: r = 1
depth 1396: r = 1
depth 1397: r = 1
depth 1398: r = 1
depth 1399: r = 1
depth 1400: r = 1
depth 1401: r = 1
depth 1402: r = 1
depth 1403: r = 1
depth 1404: r = 1
depth 1405: r = 1
depth 1406: r = 1
depth 1407: r = 1
depth 1408: r = 1
depth 1409: r = 1
depth 1410: r = 1
depth 1411: r = 1
depth 1412: r = 1
depth 1413: r = 1
depth 1414: r = 1
depth 1415: r = 1
depth 1416: r = 1
depth 1417: r = 1
depth 1418: r = 1
depth 1419: r = 1
depth 1420: r = 1
depth 1421: r = 1
depth 1422: r = 1
depth 1423: r = 1
depth 1424: r = 1
depth 1425: r = 1
depth 1426: r = 1
depth 1427: r = 1
depth 1428: r = 1
depth 1429: r = 1
depth 1430: r = 1
depth 1431: r = 1
depth 1432: r = 1
depth 1433: r = 1
depth 1434: r = 1
depth 1435: r = 1
depth 1436: r = 1
depth 1437: r = 1
depth 1438: r = 1
depth 1439: r = 1
depth 1440: r = 1
depth 1441: r = 1
depth 1442: r = 1
depth 1443: r = 1
depth 1444: r = 1
depth 1445: r = 1
depth 1446: r = 1
depth 1447: r = 1
depth 1448: r = 1
depth 1449: r = 1
depth 1450: r = 1
depth 1451: r = 1
depth 1452: r = 1
depth 1453: r = 1
depth 1454: r = 1
depth 1455: r = 1
depth 1456: r = 1
depth 1457: r = 1
depth 1458: r = 1
depth 1459: r = 1
depth 1460: r = 1
depth 1461: r = 1
depth 1462: r = 1
depth 1463: r = 1
depth 1464: r = 1
depth 1465: r = 1
depth 1466: r = 1
depth 1467: r = 1
depth 1468: r = 1
depth 1469: r = 1
depth 1470: r = 1
depth 1471: r = 1
depth 1472: r = 1
depth 1473: r = 1
depth 1474: r = 1
depth 1475: r = 1
depth 1476: r = 1
depth 1477: r = 1
depth 1478: r = 1
depth 1479: r = 1
depth 1480: r = 1
depth 1481: r = 1
depth 1482: r = 1
depth 1483: r = 1
depth 1484: r = 1
depth 1485: r = 1
depth 1486: r = 1
depth 1487: r = 1
depth 1488: r = 1
depth 1489: r = 1
depth 1490: r = 1
depth 1491: r = 1
depth 1492: r = 1
depth 1493: r = 1
depth 1494: r = 1
depth 1495: r = 1
depth 1496: r = 1
depth 1497: r = 1
depth 1498: r = 1
depth 1499: r = 1
depth 1500: r = 1
depth 1501: r = 1
depth 1502: r = 1
depth 1503: r = 1
depth 1504: r = 1
depth 1505: r = 1
depth 1506: r = 1
depth 1507: r = 1
depth 1508: r = 1
depth 1509: r = 1
depth 1510: r = 1
depth 1511: r = 1
depth 1512: r = 1
depth 1513: r = 1
depth 1514: r = 1
depth 1515: r = 1
depth 1516: r = 1
depth 1517: r = 1
depth 1518: r = 1
depth 1519: r = 1
depth 1520: r = 1
depth 1521: r = 1
depth 1522: r = 1
depth 1523: r = 1
depth 1524: r = 1
depth 1525: r = 1
depth 1526: r = 1
depth 1527: r = 1
depth 1528: r = 1
depth 1529: r = 1
depth 1530: r = 1
depth 1531: r = 1
depth 1532: r = 1
depth 1533: r = 1
depth 1534: r = 1
depth 1535: r = 1
depth 1536: r = 1
depth 1537: r = 1
depth 1538: r = 1
depth 1539: r = 1
depth 1540: r = 1
depth 1541: r = 1
depth 1542: r = 1
depth 1543: r = 1
depth 1544: r = 1
depth 1545: r = 1
depth 1546: r = 1
depth 1547: r = 1
depth 1548: r = 1
depth 1549: r = 1
depth 1550: r = 1
depth 1551: r = 1
depth 1552: r = 1
depth 1553: r = 1
depth 1554: r = 1
depth 1555: r = 1
depth 1556: r = 1
depth 1557: r = 1
depth 1558: r = 1
depth 1559: r = 1
depth 1560: r = 1
depth 1561: r = 1
depth 1562: r = 1
depth 1563: r = 1
depth 1564: r = 1
depth 1565: r = 1
depth 1566: r = 1
depth 1567: r = 1
depth 1568: r = 1
depth 1569: r = 1
depth 1570: r = 1
depth 1571: r = 1
depth 1572: r = 1
depth 1573: r = 1
depth 1574: r = 1
depth 1575: r = 1
depth 1576: r = 1
depth 1577: r = 1
depth 1578: r = 1
depth 1579: r = 1
depth 1580: r = 1
depth 1581: r = 1
depth 1582: r = 1
depth 1583: r = 1
depth 1584: r = 1
depth 1585: r = 1
depth 1586: r = 1
depth 1587: r = 1
depth 1588: r = 1
depth 1589: r = 1
depth 1590: r = 1
depth 1591: r = 1
depth 1592: r = 1
depth 1593: r = 1
depth 1594: r = 1
depth 1595: r = 1
depth 1596: r = 1
depth 1597: r = 1
depth 1598: r = 1
depth 1599: r = 1
depth 1600: r = 1
depth 1601: r = 1
depth 1602: r = 1
depth 1603: r = 1
depth 1604: r = 1
depth 1605: r = 1
depth 1606: r = 1
depth 1607: r = 1
depth 1608: r = 1
depth 1609: r = 1
depth 1610: r = 1
depth 1611: r = 1
depth 1612: r = 1
depth 1613: r = 1
depth 1614: r = 1
depth 1615: r = 1
depth 1616: r = 1
depth 1617: r = 1
depth 1618: r = 1
depth 1619: r = 1
depth 1620: r = 1
depth 1621: r = 1
depth 1622: r = 1
depth 1623: r = 1
depth 1624: r = 1
depth 1625: r = 1
depth 1626: r = 1
depth 1627: r = 1
depth 1628: r = 1
depth 1629: r = 1
depth 1630: r = 1
depth 1631: r = 1
depth 1632: r = 1
depth 1633: r = 1
depth 1634: r = 1
depth 1635: r = 1
depth 1636: r = 1
depth 1637: r = 1
depth 1638: r = 1
depth 1639: r = 1
depth 1640: r = 1
depth 1641: r = 1
depth 1642: r = 1
depth 1643: r = 1
depth 1644: r = 1
depth 1645: r = 1
depth 1646: r = 1
depth 1647: r = 1
depth 1648: r = 1
depth 1649: r = 1
depth 1650: r = 1
depth 1651: r = 1
depth 1652: r = 1
depth 1653: r = 1
depth 1654: r = 1
depth 1655: r = 1
depth 1656: r = 1
depth 1657: r = 1
depth 1658: r = 1
depth 1659: r = 1
depth 1660: r = 1
depth 1661: r = 1
depth 1662: r = 1
depth 1663: r = 1
depth 1664: r = 1
depth 1665: r = 1
depth 1666: r = 1
depth 1667: r = 1
depth 1668: r = 1
depth 1669: r = 1
depth 1670: r = 1
depth 1671: r = 1
depth 1672: r = 1
depth 1673: r = 1
depth 1674: r = 1
depth 1675: r = 1
depth 1676: r = 1
depth 1677: r = 1
depth 1678: r = 1
depth 1679: r = 1
depth 1680: r = 1
depth 1681: r = 1
depth 1682: r = 1
depth 1683: r = 1
depth 1684: r = 1
depth 1685: r = 1
depth 1686: r = 1
depth 1687: r = 1
depth 1688: r = 1
depth 1689: r = 1
depth 1690: r = 1
depth 1691: r = 1
depth 1692: r = 1
depth 1693: r = 1
depth 1694: r = 1
depth 1695: r = 1
depth 1696: r = 1
depth 1697: r = 1
depth 1698: r = 1
depth 1699: r = 1
depth 1700: r = 1
depth 1701: r = 1
depth 1702: r = 1
depth 1703: r = 1
depth 1704: r = 1
depth 1705: r = 1
depth 1706: r = 1
depth 1707: r = 1
depth 1708: r = 1
depth 1709: r = 1
depth 1710: r = 1
depth 1711: r = 1
depth 1712: r = 1
depth 1713: r = 1
depth 1714: r = 1
depth 1715: r = 1
depth 1716: r = 1
depth 1717: r = 1
depth 1718: r = 1
depth 1719: r = 1
depth 1720: r = 1
depth 1721: r = 1
depth 1722: r = 1
depth 1723: r = 1
depth 1724: r = 1
depth 1725: r = 1
depth 1726: r = 1
depth 1727: r = 1
depth 1728: r = 1
depth 1729: r = 1
depth 1730: r = 1
depth 1731: r = 1
depth 1732: r = 1
depth 1733: r = 1
depth 1734: r = 1
depth 1735: r = 1
depth 1736: r = 1
depth 1737: r = 1
depth 1738: r = 1
depth 1739: r = 1
depth 1740: r = 1
depth 1741: r = 1
depth 1742: r = 1
depth 1743: r = 1
depth 1744: r = 1
depth 1745: r = 1
depth 1746: r = 1
depth 1747: r = 1
depth 1748: r = 1
depth 1749: r = 1
depth 1750: r = 1
depth 1751: r = 1
depth 1752: r = 1
depth 1753: r = 1
depth 1754: r = 1
depth 1755: r = 1
depth 1756: r = 1
depth 1757: r = 1
depth 1758: r = 1
depth 1759: r = 1
depth 1760: r = 1
depth 1761: r = 1
depth 1762: r = 1
depth 1763: r = 1
depth 1764: r = 1
depth 1765: r = 1
depth 1766: r = 1
depth 1767: r = 1
depth 1768: r = 1
depth 1769: r = 1
depth 1770: r = 1
depth 1771: r = 1
depth 1772: r = 1
depth 1773: r = 1
depth 1774: r = 1
depth 1775: r = 1
depth 1776: r = 1
depth 1777: r = 1
depth 1778: r = 1
depth 1779: r = 1
depth 1780: r = 1
depth 1781: r = 1
depth 1782: r = 1
depth 1783: r = 1
depth 1784: r = 1
depth 1785: r = 1
depth 1786: r = 1
depth 1787: r = 1
depth 1788: r = 1
depth 1789: r = 1
depth 1790: r = 1
depth 1791: r = 1
depth 1792: r = 1
depth 1793: r = 1
depth 1794: r = 1
depth 1795: r = 1
depth 1796: r = 1
depth 1797: r = 1
depth 1798: r = 1
depth 1799: r = 1
depth 1800: r = 1
depth 1801: r = 1
depth 1802: r = 1
depth 1803: r = 1
depth 1804: r = 1
depth 1805: r = 1
depth 1806: r = 1
depth 1807: r = 1
depth 1808: r = 1
depth 1809: r = 1
depth 1810: r = 1
depth 1811: r = 1
depth 1812: r = 1
depth 1813: r = 1
depth 1814: r = 1
depth 1815: r = 1
depth 1816: r = 1
depth 1817: r = 1
depth 1818: r = 1
depth 1819: r = 1
depth 1820: r = 1
depth 1821: r = 1
depth 1822: r = 1
depth 1823: r = 1
depth 1824: r = 1
depth 1825: r = 1
depth 1826: r = 1
depth 1827: r = 1
depth 1828: r = 1
depth 1829: r = 1
depth 1830: r = 1
depth 1831: r = 1
depth 1832: r = 1
depth 1833: r = 1
depth 1834: r = 1
depth 1835: r = 1
depth 1836: r = 1
depth 1837: r = 1
depth 1838: r = 1
depth 1839: r = 1
depth 1840: r = 1
depth 1841: r = 1
depth 1842: r = 1
depth 1843: r = 1
depth 1844: r = 1
depth 1845: r = 1
depth 1846: r = 1
depth 1847: r = 1
depth 1848: r = 1
depth 1849: r = 1
depth 1850: r = 1
depth 1851: r = 1
depth 1852: r = 1
depth 1853: r = 1
depth 1854: r = 1
depth 1855: r = 1
depth 1856: r = 1
depth 1857: r = 1
depth 1858: r = 1
depth 1859: r = 1
depth 1860: r = 1
depth 1861: r = 1
depth 1862: r = 1
depth 1863: r = 1
depth 1864: r = 1
depth 1865: r = 1
depth 1866: r = 1
depth 1867: r = 1
depth 1868: r = 1
depth 1869: r = 1
depth 1870: r = 1
depth 1871: r = 1
depth 1872: r = 1
depth 1873: r = 1
depth 1874: r = 1
depth 1875: r = 1
depth 1876: r = 1
depth 1877: r = 1
depth 1878: r = 1
depth 1879: r = 1
depth 1880: r = 1
depth 1881: r = 1
depth 1882: r = 1
depth 1883: r = 1
depth 1884: r = 1
depth 1885: r = 1
depth 1886: r = 1
depth 1887: r = 1
depth 1888: r = 1
depth 1889: r = 1
depth 1890: r = 1
depth 1891: r = 1
depth 1892: r = 1
depth 1893: r = 1
depth 1894: r = 1
depth 1895: r = 1
depth 1896: r = 1
depth 1897: r = 1
depth 1898: r = 1
depth 1899: r = 1
depth 1900: r = 1
depth 1901: r = 1
depth 1902: r = 1
depth 1903: r = 1
depth 1904: r = 1
depth 1905: r = 1
depth 1906: r = 1
depth 1907: r = 1
depth 1908: r = 1
depth 1909: r = 1
depth 1910: r = 1
depth 1911: r = 1
depth 1912: r = 1
depth 1913: r = 1
depth 1914: r = 1
depth 1915: r = 1
depth 1916: r = 1
depth 1917: r = 1
depth 1918: r = 1
depth 1919: r = 1
depth 1920: r = 1
depth 1921: r = 1
depth 1922: r = 1
depth 1923: r = 1
depth 1924: r = 1
depth 1925: r = 1
depth 1926: r = 1
depth 1927: r = 1
depth 1928: r = 1
depth 1929: r = 1
depth 1930: r = 1
depth 1931: r = 1
depth 1932: r = 1
depth 1933: r = 1
depth 1934: r = 1
depth 1935: r = 1
depth 1936: r = 1
depth 1937: r = 1
depth 1938: r = 1
depth 1939: r = 1
depth 1940: r = 1
depth 1941: r = 1
depth 1942: r = 1
depth 1943: r = 1
depth 1944: r = 1
depth 1945: r = 1
depth 1946: r = 1
depth 1947: r = 1
depth 1948: r = 1
depth 1949: r = 1
depth 1950: r = 1
depth 1951: r = 1
depth 1952: r = 1
depth 1953: r = 1
depth 1954: r = 1
depth 1955: r = 1
depth 1956: r = 1
depth 1957: r = 1
depth 1958: r = 1
depth 1959: r = 1
depth 1960: r = 1
depth 1961: r = 1
depth 1962: r = 1
depth 1963: r = 1
depth 1964: r = 1
depth 1965: r = 1
depth 1966: r = 1
depth 1967: r = 1
depth 1968: r = 1
depth 1969: r = 1
depth 1970: r = 1
depth 1971: r = 1
depth 1972: r = 1
depth 1973: r = 1
depth 1974: r = 1
depth 1975: r = 1
depth 1976: r = 1
depth 1977: r = 1
depth 1978: r = 1
depth 1979: r = 1
depth 1980: r = 1
depth 1981: r = 1
depth 1982: r = 1
depth 1983: r = 1
depth 1984: r = 1
depth 1985: r = 1
depth 1986: r = 1
depth 1987: r = 1
depth 1988: r = 1
depth 1989: r = 1
depth 1990: r = 1
depth 1991: r = 1
depth 1992: r = 1
depth 1993: r = 1
depth 1994: r = 1
depth 1995: r = 1
depth 1996: r = 1
depth 1997: r = 1
depth 1998: r = 1
depth 1999: r = 1