b21 := (1,1208, 977,  13)(2, 803, 946, 440)(  3, 729,1123,1554)
(   4,1329,1200, 546)(   5,1455, 194, 320)(   6, 483,  12, 935)
(   7,1179,1791, 832)(   8,1810, 628,1911)(   9, 902,1280,1347)
(  10,1254,1600, 155)(  11, 135, 954,1101)(  14, 778,1140, 123)
(  15,1332, 245,1632)(  16, 217,1677,1193)(  17,1021, 494,1496)
(  18, 819, 697,1440)(  19,1796,1962, 952)(  20, 988, 186,  73)
(  21,1111, 560,1737)(  22,1704)(  23,1330, 774,1553)(  24, 686,1228,1378)
(  25, 573, 458,1270)(  26,1005)(  27,1588,1195, 684)(  28, 193, 890, 576)
(  29, 125,1731, 353)(  30,1188, 841,1182)(  31,1278, 712, 352)
(  32, 232, 900, 183)(  33, 323, 151,1141)(  34, 459,1957,1225)
(  35, 993,1102, 113)(  36,1279,1915,1522)(  37,1191, 216,1153)
(  38, 214, 484,1562)(  39, 563,1550,1615)(  40, 775,1250,1838)
(  41,1640,1902,1138)(  42,1146,1918,1180)(  43, 404,1151,1318)
(  44,1033,1590, 574)(  45,1900, 528,1247)(  46, 569,1506,1828)
(  47, 736, 904,1773)(  48,1806, 608,1319)(  49,1559,1051, 592)
(  50, 207,1753,1886)(  51, 676,1314,1056)(  52, 176, 163, 661)
(  53, 419,1614, 838)(  54,1211,1686,1801)(  55,1766,1148,1194)
(  56,1147,1535, 590)(  57,1486,1244, 605)(  58, 299, 556, 229)
(  59,1596,1454,1694)(  60,1788, 349,  98)(  61,1795,1825, 773)
(  62,1158,  66, 289)(  63, 830,1526,1291)(  64,1255)(  65,1290, 755,1011)
(  67,1157,1532, 584)(  68, 221,1078,1230)(  69,1607,1107, 760)
(  70,1446,1947,1000)(  71, 764, 402,1286)(  72,1135,1457, 767)
(  74,1928,1115,1242)(  75, 409, 547, 317)(  76,1432,1396, 527)
(  77,1907, 230, 350)(  78,1090, 314, 104)(  79,1229,1863, 959)(  80,1625)
(  81,1891,1662,  91)(  82, 247,1833, 160)(  83, 667, 786, 417)
(  84,1150,1081,1018)(  85,1850,1259, 790)(  86,1401, 179, 991)
(  87, 921,1499,1541)(  88,1660,1878, 776)(  89,1152,1848, 461)
(  90, 972,1478, 785)(  92,1690,1890, 220)(  93, 562,1395,1892)
(  94, 509,1917, 877)(  95,1206,1360,1165)(  96, 211, 689, 568)
(  97, 427, 488, 644)(  99,1934,1940,1379)( 100, 965,1258,1164)
( 101,1674, 477, 178)( 102, 652, 156, 424)( 103,1322, 594, 998)
( 105,1722, 326, 396)( 106,1224, 756,1617)( 107, 780, 951,1342)
( 108, 322, 840,1053)( 109, 258,1959, 530)( 110,1364,1337, 565)
( 111,1324, 493,1374)( 112, 251, 814, 561)( 114,1641,1654, 235)
( 115,1217,1871, 969)( 116, 716,1336,1300)( 117, 354, 559, 383)
( 118,1266, 465, 368)( 119, 668,1201,1659)( 120,1882, 260,1530)
( 122, 355,1403,1847)( 124, 521, 400, 898)( 126, 519, 439,1312)
( 127,1460, 168,1264)( 128,1926,1142,1174)( 129, 185,1716,1136)
( 130, 620, 961, 166)( 131,1163,1099, 880)( 132,1465, 359,1798)
( 133, 480, 812,1484)( 134,1544, 891, 789)( 136,1668, 342, 709)
( 137, 870,1054, 722)( 138,1281,1826, 971)( 139,1514, 963,1639)
( 140, 428, 640,1601)( 141,1555, 807, 958)( 142,1820,1587,1488)
( 143,1384,1578,1333)( 144,1670,1727,1576)( 145,1914,1772, 967)
( 146,1098, 666, 421)( 147,1953,1508,1285)( 148,1811, 779, 723)
( 149, 259,1323,1394)( 150,1382, 451, 351)( 152, 276,1971,1805)
( 153, 918,1634,1424)( 154,1068, 469,1066)( 157, 290,1705,1269)
( 158,1720,1304, 406)( 159,1305)( 161,1017,1637, 868)( 162, 601, 442,1688)
( 164,1741)( 165, 449,1883, 302)( 167,1946)( 169,1583, 472, 820)
( 170,1768,1966,1839)( 171,1896,1519,1818)( 172, 241, 588,1800)
( 173,1474,1950, 391)( 174,1166,1075, 978)( 175, 677)( 177,1597,1438,1595)
( 180,1116,1857, 435)( 181, 766, 374, 373)( 182,1154,1128, 753)
( 184,1389, 308,1048)( 187, 964,1091, 524)( 188, 750, 537, 931)
( 189,1498,1295,1391)( 190, 770,1735,1385)( 191, 550, 751,1626)
( 192, 719, 802,1709)( 195, 361,1573, 704)( 196, 673,1790, 973)
( 197,1356, 452, 420)( 199,1289,1859,1473)( 200, 968, 418,1475)
( 201, 486,1725,1649)( 202, 369,1908,1450)( 203,1293, 901, 473)
( 204, 665,1898,1837)( 205,1196,1575,1816)( 206,1468,1714,1913)
( 208,1049, 357,1853)( 209,1851,1949,1029)( 210, 284, 992,1761)
( 212,1644, 657, 618)( 215, 927, 426,1734)( 218, 883,1765, 589)
( 219,1980, 413,1239)( 222,1408,1282,1203)( 223,1481,1361,1315)
( 224,1743, 757,1444)( 225,1699,1084,1560)( 226, 551, 658, 422)
( 227, 437,1879, 376)( 228,1223, 285, 836)( 231, 363,1599,1729)
( 233,1874, 715, 635)( 234,1359, 303, 934)( 236, 878,1502,1310)
( 237,1449, 478, 238)( 239,1710, 810,1252)( 240, 623, 805,1684)
( 242,1564,1114, 874)( 243, 338,1865,1534)( 244, 262, 724, 852)
( 246,1685,1298,1113)( 248,1442, 453,1620)( 249,1748,1495,1412)
( 250, 808,1903, 591)( 252,1905, 680, 738)( 253,1738,1122, 748)
( 254, 641,1452, 859)( 255,1978,1038, 366)( 256,1875,1245, 824)
( 257,1673,1736,1131)( 261,1622,1366,1198)( 263,1740,1764, 324)
( 264,1527,1733,1112)( 265,1619,1044,1088)( 266, 930, 639,1415)
( 267,1373,1032, 425)( 268, 662, 867, 321)( 269, 768, 463,1809)
( 270, 379,1014, 881)( 271, 955, 403, 397)( 272, 844,1627,1897)
( 273,1421, 558, 514)( 274,1807,1687,1909)( 275, 627, 939,1426)
( 277,1525, 772, 762)( 278, 505,1267,1070)( 279,1552, 688, 619)
( 280,1019,1472,1274)( 281,1016)( 282, 617,1476, 834)( 283,1326, 747,1901)
( 286,1692,1605, 464)( 287,1951,1082,1411)( 288,1036,1041,1664)
( 291, 718,1353,1667)( 292, 663,1380,1173)( 293,1822)( 294,1852, 544,1817)
( 295,1888,1069, 856)( 296, 502, 919, 811)( 297,1802, 989,1968)
( 298, 567,1358, 429)( 300, 987,1316,1218)( 301, 839,1072,1870)
( 304,1783,1192, 914)( 305,1020, 549,1001)( 306,1631,1628, 846)
( 307, 467, 892,1246)( 309, 966, 339,1301)( 310, 690, 534,1920)( 311, 999)
( 312,1007, 566,1226)( 313,1232,1160,1302)( 315,1572, 733,1352)
( 316, 985, 540,1683)( 318,1545, 523, 924)( 319, 447,1443,1261)
( 325, 570, 365,1700)( 327, 615,1603,1050)( 328, 683,1296, 337)
( 329,1703,1458, 915)( 330,1418, 497,1695)( 331, 685,1824,1921)
( 332,1759, 485, 944)( 333,1190, 385,1533)( 334,1103, 943,1340)
( 335,1650,1331, 415)( 336,1349,1348,1546)( 340,1580, 909, 706)
( 341,1697,1929, 949)( 343,1320,1758, 650)( 344, 997, 831,1400)
( 345,1861,1843,1008)( 346,1214, 571, 826)( 347,1325,1445, 710)
( 348, 609,1712,1106)( 356, 516, 507,1937)( 358,1841,1517,1125)
( 360,1288,1055,1022)( 362, 843, 503,1689)( 364, 925, 471,1521)
( 367,1220,1219, 448)( 370, 848)( 371,1970,1178, 375)( 372,1528,1073,1646)
( 377,1501,1363,1780)( 378,1409,1799,1283)( 380,1964, 595,1345)
( 381,1794, 937, 707)( 382,1428,1570,1074)( 384,1977, 906, 531)
( 386,1591, 624, 634)( 387, 681, 636, 942)( 388,1297,1823, 659)
( 389, 899, 976,1769)( 390, 532,1696,1548)( 392,1491,1936,1086)
( 393,1775,1390,1015)( 394,1813,1343, 632)( 395,1719,1569, 517)
( 398, 865,1919, 734)( 399,1309,1420,1630)( 401,1579,1972,1651)
( 405, 529,1666,1880)( 407,1574, 434, 446)( 408,1137,1233, 849)
( 410, 542, 691, 982)( 411,1002,1728,1752)( 412,1466, 842,1313)
( 414,1598,1404,1726)( 416,1751, 720,1388)( 423, 990,1339, 444)
( 430,1549,1860, 536)( 431,1948, 742,1855)( 432, 837, 604,1240)
( 433,1797,1265,1139)( 436, 743,1647,1540)( 438,1121, 614,1402)
( 441,1789,1763,1120)( 443,1935,1477,1052)( 445,1405, 714, 853)
( 450, 817, 732, 535)( 454, 923, 490, 746)( 455, 727,1642,1515)
( 456,1830, 728,1844)( 457, 460)( 462,1189,1414,1945)( 466,1916, 695,1792)
( 468,1942, 795,1368)( 470,1231)( 474, 761, 616,1062)( 475, 476,1110, 758)
( 479,1429,1447, 806)( 481, 792, 886,1350)( 482,1071,1277,1520)
( 487,1439,1975,1653)( 489, 672,1571,1715)( 491, 518, 575,1976)
( 492, 896,1707,1004)( 495, 962,1812, 726)( 496, 823, 645,1821)
( 498, 996, 815,1494)( 499,1212,1636, 791)( 500,1176,1311,1047)
( 501, 553,1406, 552)( 504,1100, 929,1568)( 506,1243,1582,1531)
( 508, 593,1592,1096)( 510, 916,1287,1030)( 511,1076,1845,1543)
( 512, 526, 606,1932)( 513,1035,1170,1422)( 515, 646, 602, 936)
( 522,1956,1613,1351)( 525,1210, 583,1493)( 533,1105,1912,1973)
( 538,1542,1624,1819)( 539,1238,1955,1184)( 541, 994, 854,1482)
( 543, 613,1012,1832)( 545, 675,1930,1027)( 548,1682,1958, 912)
( 554,1793,1490,1177)( 555, 847,1003,1489)( 557,1757)( 564, 960)
( 572,1754, 940, 731)( 577, 845,1130,1894)( 578,1671,1436,1183)
( 579, 660,1355,1518)( 580,1808,1132,1854)( 581,1459, 970, 735)
( 582,1835,1511, 829)( 585,1760, 600,1778)( 586,1931)( 587, 633,1467,1092)
( 596,1724,1742,1939)( 597, 625, 598, 833)( 599,1108,1464,1251)
( 603,1749,1510,1485)( 607,1551,1565, 879)( 610,1840)( 611,1657, 687,1272)
( 612,1161,1143,1589)( 621, 945, 713,1321)( 622,1419,1656, 654)
( 626,1623,1567,1979)( 629,1453,1869,1750)( 631,1585,1635,1616)
( 637,1779,1416,1537)( 638,1777,1006, 787)( 642,1967,1584,1906)
( 643, 730,1814,1960)( 648,1197, 821,1199)( 649,1371, 769,1523)
( 651,1427,1399, 938)( 653,1895,1434, 828)( 655,1159, 692, 887)
( 656,1221,1721, 889)( 664, 863, 893, 933)( 669,1028,1784, 911)
( 670, 759, 725, 752)( 671, 920, 703,1273)( 674,1676,1864,1480)
( 678,1655,1026,1512)( 679,1362,1933,1610)( 682,1334,1487,1328)
( 693,1899,1042,1529)( 694,1257,1387,1693)( 696, 804, 754,1397)
( 698,1566,1698,1057)( 699,1927,1557, 983)( 700,1213,1175,1645)
( 701, 835,1215, 850)( 702,1509,1065,1648)( 705,1009,1253, 813)
( 708,1451,1060,1755)( 711,1433, 873, 721)( 717,1873,1858,1284)
( 737,1866,1483,1831)( 739,1782,1126, 907)( 740,1425,1952,1079)
( 741,1889,1643, 866)( 744,1383,1718,1117)( 745,1024, 917,1497)( 749,1536)
( 763,1303,1377,1365)( 765, 827,1862,1127)( 771,1943,1923,1354)
( 777,1413,1431, 910)( 781,1275,1202, 980)( 782,1456, 888,1169)
( 783,1372, 926,1608)( 784, 851,1357,1058)( 788,1186,1381, 794)
( 793, 861, 913,1109)( 796,1119,1604,1744)( 797,1925,1149, 855)
( 798,1771,1369,1785)( 799,1961)( 800,1827,1097,1344)( 801,1145, 809,1963)
( 816,1185, 818, 947)( 822,1612,1941,1129)( 825, 953,1025,1463)
( 857,1633,1739,1507)( 860,1974,1804,1658)( 862,1611,1492,1730)
( 864,1248,1746,1776)( 869,1969,1031,1756)( 871,1767, 872,1061)
( 875,1593,1563,1410)( 876, 995,1856,1539)( 882, 950,1043,1045)
( 884,1118,1849,1836)( 885,1376,1904,1156)( 894,1407)( 895,1867,1594,1954)
( 897,1327)( 905,1679,1207,1227)( 908,1787)( 922,1462,1505,1172)
( 928,1893,1162,1370)( 932,1010,1093,1037)( 941,1586,1335,1876)
( 948,1448,1471,1516)( 956, 957)( 974,1577,1938,1803)( 975,1732,1663,1205)
( 979,1249,1924,1124)( 981,1606,1675,1681)( 984,1393,1094,1204)
( 986,1441,1745,1621)(1013,1085)(1023,1669,1469,1095)(1034,1678)
(1039,1338,1708,1346)(1040,1503,1234,1059)(1046,1080)(1063,1294)
(1064,1308,1423,1087)(1067,1504)(1077,1222,1558,1236)(1083,1762,1706,1887)
(1089,1770,1292,1868)(1104,1513,1702,1367)(1133,1547,1386,1672)
(1134,1680,1834,1181)(1144,1652)(1155,1375)(1167,1842,1256,1965)
(1168,1786,1910,1629)(1171,1392,1479,1665)(1209,1602,1263,1618)
(1216,1661,1723,1885)(1235,1877,1417,1944)(1237,1884,1829,1437)
(1262,1470,1881,1691)(1268,1500)(1271,1713,1774,1717)(1276,1581,1781,1846)
(1299,1561)(1306,1538,1747,1922)(1307,1461,1430,1556)(1317,1711,1872,1701)
(1341,1815)(1435,1524)(1609,1638);