b21 := (1,1736,1589,994)(2,25,1608,1385)(3,1569,498,670)(4,1531,1901,1843)(5, 657,2037,1675)(6,2274,1004,526)(7,187,1709,1495)(8,1232,1587,816)(9,1176, 1968,361)(10,598,2228,883)(11,843,1297,925)(12,1912,2099,376)(13,1858, 1325,131)(14,1451,1241,387)(15,1647,884,711)(16,1064,253,1597)(17,972, 1256,721)(18,959,1080,1490)(19,42,667,521)(20,1153,649,2219)(21,514,1653, 1800)(22,1409,401,1450)(23,378,1332,1950)(24,742,204,733)(27,345,1391, 768)(28,1522,266,1793)(29,538,135,1619)(30,443,2106,841)(31,2162,619, 1303)(32,1013,1888,855)(33,446,1629,2068)(34,722,258,1264)(35,1164,1548, 1661)(36,1284,47,747)(37,797,1761,335)(38,1530)(39,1845,1386,227)(40, 1764)(41,1427,1747,833)(43,765,844,1132)(44,1412,397,1304)(45,1630,831, 1987)(46,624,1605,145)(48,61,1869,712)(49,128,1476,858)(50,786,1748,1180) (51,251,106,313)(52,215,1673,1779)(53,1723,176,1582)(54,2020,1265,483) (55,554,98,1943)(56,2163,551,596)(57,255,127,299)(58,300,1611,1017)(59, 426,1827,2140)(60,2158,620,1960)(62,1175)(63,1093)(64,1983,1998,852)(65, 79,487,1922)(66,1216,2287,1363)(67,1302,1815,344)(68,1031,1253,1130)(69, 1512,409,85)(70,589,1964,848)(71,264,866,1252)(72,2257,805,784)(73,1911, 549,872)(74,1052,408,1165)(75,540,769,250)(76,429)(77,406,2193,919)(78, 1459,1657,2063)(80,688,1821,1955)(81,979,541,588)(82,1799,2208,539)(83, 1805,87,2229)(84,2218,857,1648)(86,2186,1599,877)(88,479,975,1209)(89, 2299,1727,341)(90,2050,1535,648)(91,1913,2202,1299)(92,627,2155,1684)(93, 1367,2191,2237)(94,888,820,334)(95,1546,382,568)(96,491,1875,952)(97, 1557,2205,318)(99,905,612,1814)(100,1992,1292,923)(101,1856,192,343)(102, 1135,907,2172)(103,1244,2230,739)(104,1260,2150,311)(105,1835,1177,1564) (107,2240,508,260)(108,824,1027,228)(109,2072,1039,643)(110,449,823,597) (111,544,702,1275)(112,2304,1542,1315)(113,1394,1871,1705)(114,1935,1003, 503)(115,1523,519,2033)(116,1885)(117,847,1883,2093)(118,599,1927,1760) (119,2279,1078,622)(120,2226,1763,1339)(121,1685,500,1485)(122,1939,1697, 1119)(123,398,537,761)(124,1372,430,256)(125,1730,2243,1208)(126,2179, 2104,1704)(129,913,1511,2266)(130,1396,275,1397)(132,1055,1032,644)(133, 1331,2115,428)(134,1777,1988,1379)(136,583,1129,1407)(137,1081,502,1743) (138,1240,890,473)(139,1019,2101,988)(140,623,1833,677)(141,1826,2290, 2177)(142,2057,407,191)(143,1565,1076,1343)(144,2094,1357,440)(146,1134) (147,1741,2010,730)(148,1585,1333,1670)(149,464,608,978)(150,590)(151, 516,1818,1808)(152,1174,1811,1782)(153,2153)(154,243,1029,1319)(155,1217, 485,511)(156,2086,616,1680)(157,1360,1516,328)(158,289,1729,1588)(159, 1183,684,189)(160,501,1286,964)(161,581,1044,2081)(162,1458,687,1318) (163,1499,293,695)(164,166,1836,2168)(165,1640,936,1759)(167,1179,1517, 1123)(168,981,2283,1361)(169,795,1349,2170)(170,173,402,458)(171,1810, 527,659)(172,1291,1828,1330)(174,337,2159,528)(175,1966,523,499)(177, 2251,1061,2196)(178,1445,1454,1366)(179,1200,577,468)(180,2067)(181,1656, 1406,185)(182,291,478,2231)(183,570,1617,1193)(184,1040,1400,413)(186, 1482,1211,1887)(188,249,546,1404)(190,1616,1249,1049)(193,2267,1316,1124) (194,1439,870,741)(195,777,2210,2198)(196,660,1841,342)(197,226,1514,713) (198,1893,1839,2247)(199,1776,2217,533)(200,1953,764,504)(201,1766,1425, 1921)(202,1020,2182,1010)(203,802,1110,1421)(205,1301,2125,1026)(206, 2255,1846,1365)(207,2197,625,1151)(208,1100,1518,1033)(209,396,652,1201) (210,403,974,2241)(211,1772,2061,365)(212,283)(213,234,370,946)(214,1580, 1891,1863)(216,1444,766,944)(217,1722,962,492)(218,1536,1997,1465)(219, 1226,827,1956)(220,889,763,1487)(221,1313,2157,791)(222,1074,1403,247) (223,1977,1280,954)(224,1242,945,1924)(225,392,1552,725)(229,666,2055, 910)(230,522,2180,1842)(231,875,2227,517)(232,1006,682,2216)(233,1073, 2126,2211)(235,1273,1223,1120)(236,1065,2265,1674)(237,524,2003,932)(238, 375,2190,2048)(239,996,1128,2301)(240,1989,1524,1714)(241,1627,2270,1186) (242,1731,973,316)(244,1258,2100,716)(245,461,1602,1190)(246,681,1356, 1441)(248,347,314,2288)(252,339,778,1245)(254,948,804,1224)(257,1178, 1655,1062)(261,723,362,2065)(262,1238,1145,783)(263,2141,928,2082)(265, 1493,480,471)(267,2109,942,886)(268,2098,664,668)(269,1348,2034,1188) (270,788,2264,610)(271,1855,793,561)(272,472,2105,775)(273,949,2282,1007) (274,704,1369,423)(276,638,1847,1091)(277,356,338,2200)(278,319,1778, 1925)(279,351,686,353)(280,290,1336,603)(281,709,2223,2085)(282,1305, 2124,1726)(284,731,2139,1895)(285,2220,1628,424)(286,1947,1321,876)(287, 594,2017,1300)(288,720,2091,2167)(292,1144,1795,977)(294,1380,1724,1436) (295,2051,1575,1102)(296,1762,2183,572)(297,1920,2111,759)(298,2294,1556, 1464)(301,1623,1429,1534)(302,1502,1125,1035)(303,798,1890,2000)(304, 1322,380,1905)(305,395,1707,2054)(306,379,2013,367)(307,2005,1310,851) (308,1491,1371,809)(309,2073,785,869)(310,2118,2225,854)(312,444,1498, 1519)(315,1970,1595,1169)(317,1070,789,697)(320,474,1932,1607)(321,749, 562,1881)(322,1854,1812,1676)(323,1991,1488,359)(324,874,1489,1494)(325, 998,1474,1034)(326,2146,417,1802)(327,1592,1470,348)(329,921,1930,1866) (330,1840,1160,2122)(331,336,1042,1969)(332,734,1222,1117)(333,1306,970, 2235)(340,881,1572,1834)(346,1411,1383,465)(349,1168,840,1758)(350,760, 651,1801)(352,2069,2088,736)(354,758,1718,1028)(355,836,1210,1789)(357, 776,1908,1098)(358,1483,1338,732)(360,1118,1644,1497)(363,1931,2135,1157) (364,1246,961,1668)(366,904,2064,576)(368,1432,1415,1681)(369,665,1447, 1235)(371,1813,1665,2035)(372,689,1965,1963)(373,421,1780,1877)(374,381, 460,1646)(377,1562,1949,900)(383,1430,938,2214)(384,1973,454,432)(385, 1314,2232,1205)(386,950,1467,2062)(388,1056,1933,685)(389,2302,2047,1278) (390,1008)(391,445,1907,1424)(393,1011)(394,679,1610,1496)(399,1395,1109, 1108)(400,629,1903,1878)(404,863,885,703)(405,1162,613,1050)(410,1507, 2273,431)(411,2239,2203,1341)(412,803,2204,2259)(414,1276,1475,1693)(415, 1785,1423,1219)(416,2171,710,1071)(418,1288,1822,678)(419,1624,442,1632) (420,834,1088,1255)(422,2117,728,637)(425,2001,1636,1426)(427,1702,653, 1323)(433,2242,1725,1335)(434,1449,2281,1387)(435,1137,1865,1486)(436, 1277,845,780)(437,1058,906,2071)(438,1022,2289,1975)(439,1455,1700,639) (441,856,1784,1438)(447,2260,2027,810)(448,1079,2149,1695)(450,1744,2209, 1105)(451,2277,1172,898)(452,1591,2249,1399)(453,2165,1254,753)(455,2095, 1981,1659)(456,563,1221,1583)(457,1274,609,1083)(459,602,694,1720)(462, 796,1857,2164)(463,1290,2175,1398)(466,1573,1381,892)(467,1334,2026,1879) (469,2272,1014,1295)(470,2295,1263,1559)(475,999,1880,1613)(476,1652, 2213,1740)(477,2121,868,1342)(481,1734,1392,635)(482,515,1757,1579)(484, 1269,1593,1373)(486,489,1574,1961)(488,1202,915,2256)(490,1250,1540,1146) (493,997,1874,1527)(494,757,1824,2018)(495,1094,2129,1558)(496,800,1876, 536)(497,1658,707,1133)(505,556,626,1025)(506,940,1692,1267)(507,1410, 1473,1837)(509,2028,2250,1728)(510,1643,2044,1116)(512,1136,812,1662) (513,1437,1703,2116)(518,1213,1477,719)(520,951,2052,1576)(525,1936,1594, 1532)(529,1207)(530,671,1614,1227)(531,1161,1635,1601)(532,2012,1101, 1946)(535,1352,1481,1163)(542,567,1279,2016)(543,865,550,982)(545,1271, 971,1798)(547,2039,1633,1708)(548,2045,1479,838)(552,1152,698,1859)(553, 1660,966,2300)(555,1971,729,2233)(557,2147,1533,1289)(558,636,817,832) (559,2077,1666,1126)(560,955,1549,1671)(564,871,2298,1351)(565,1982,1377, 1045)(566,1816,2032,837)(569,2176,1103,1541)(571,1820,1547,693)(573,663, 1897,1892)(574,1638,1508,1867)(575,920,828,1775)(578,1737,1566,880)(579, 1678,808,860)(580,2092,1957,1683)(582,650,662,1690)(584,1257,2080,1239) (585,882,897,1187)(586,1634,2053,1416)(587,592,927,1192)(591,593,1525, 2187)(595,1571,2123,873)(600,700,1590,2002)(601,941,943,1914)(605,1469, 1106,1870)(607,740,1713,1715)(611,839,1038,2029)(614,1682,1543,891)(615, 1677,1018,1413)(617,1850,2269,967)(618,850,1150,912)(621,1104,1181,1560) (628,1651,1471,654)(630,1261,935,1954)(631,1538,1809,1721)(632,1898,2178, 1312)(633,958,748,1896)(634,1063,933,1374)(640,1770,658,756)(641,2132, 1051,2041)(642,811,1787,1191)(645,735,801,1909)(646,2103,1717,1030)(647, 2075,1378,1433)(655,1515,806,1234)(656,2154,1520,1353)(661,1189,1669, 2192)(669,987,2112,1307)(672,1864,1350,1328)(673,861,864,1461)(674,1577, 1756,937)(675,1739,1862,2066)(676,792,1060,2160)(680,2131,1952,2143)(683, 1000,2040,2025)(690,1345,2238,930)(691,1701,1561,1584)(692,2024,2004, 1358)(696,859,2107,2009)(699,1716,1807,1384)(701,1868,1563,908)(705,1173, 1765,1902)(706,1806,2291,1749)(708,2280,1972,1048)(714,1115)(715,926, 1370,1545)(717,2022)(718,1149,2161,1642)(724,1036,1021,2252)(726,1457, 1509,2145)(727,1262,1283,1848)(737,2278,1492,1143)(738,2185,762,2151) (743,1452,1456,1501)(744,1773,1851,1453)(745,1938,1218,1985)(746,2011, 1229,1986)(750,2049,1696,790)(751,1247,846,1783)(752,1942,2286,1259)(754, 2133,2173,2246)(755,1089,1844,835)(767,1237,2263,1916)(770,1194,2234, 1231)(771,781,1769,1212)(772,1994,1919,2007)(773,1320,1923,2142)(774, 1667,1945,1513)(779,1096,1853,1435)(782,1934,1182,1900)(787,1641,1327, 2079)(794,1420,1958,2114)(799,853,902,1463)(807,1230,1184,2008)(813,1503, 1243,1138)(814,1639,2108,903)(815,1401,1786,1084)(818,1204,1550,1521) (819,2060,1293,1910)(821,911,1637,1141)(822,1830,1147,826)(825,1735,1622, 2152)(829,2212,1774,2189)(830,1959,1251,1554)(842,1929,1294,2245)(849, 1142,1296,1917)(862,1167,1504,1733)(867,1831,1926,2254)(878,934,1197, 1928)(879,1324,2102,1873)(887,1906,1069,2136)(893,1719,1706,1999)(894, 1631,917,1962)(895,2090,2046,1285)(896,1068,965,2120)(899,1001,1940,1376) (901,1650,916,2076)(909,931,2166,1355)(914,1738,1894,1388)(918,1510,1159, 1996)(922,1053,1882,1600)(924,2296,1077,1626)(929,1615)(939,1272,1266, 2236)(953,2215,2261,2083)(956,2276,1112,2253)(957,1431,1443,1686)(960, 2248,1354,1829)(963,992,1233,1555)(968,2021,1287,1825)(969,1041,1087, 2303)(976,1122,1085,1462)(980,1472,1434,1797)(983,1790,2244,1393)(984, 2058,2019,1214)(985,986,1796,1817)(989,1086)(990,1121)(991,1889,2042, 1309)(993,1568,2292,1604)(995,1699,1529,1466)(1002,1995,1012,1645)(1005, 1043,2127,2188)(1009,2014,2038,2137)(1015,2284,1236,1422)(1016,2199,1537, 1414)(1023,1754,1092,1225)(1024,1803,1663,1544)(1037,1750,1596,1712) (1046,2221,1551,2224)(1047,1408,2174,1220)(1054,2194,1951,1442)(1057, 2031,1107,1419)(1059,1606,1111,2201)(1066,1745,1248,2015)(1067,1899,1139, 1382)(1072,2156,1127,1792)(1075,1344,1196,2222)(1082,1228)(1090,1860, 1781,2138)(1095,1711,1329,1402)(1097,1794,1768,1113)(1099,1268,2285,1346) (1114,1171,2258,1500)(1140,1990,1528,2144)(1148,2089,1698,1980)(1154, 1375,1326,1915)(1155,1944,1405,1984)(1156,1976,1710,2084)(1158,1539,1620, 1978)(1166,1689,1823,1364)(1185,1195,1872,2297)(1198,2206,2128,1317) (1199,1852,2262,2087)(1203,1791,1849,1751)(1206,1281,2097,1448)(1215, 1440,2006,1308)(1270,1368,1567,1937)(1282,1340,1581,1505)(1298,1687,1468, 1390)(1311,2275,1694,1767)(1337,2271,1755,2036)(1347,1362,1612,2134) (1359,2293,2268,1618)(1389,2096,1838,1832)(1417,2030,1993,1886)(1418, 1526,1570,1446)(1428,2119,2043,2130)(1460,1672,1598,2207)(1478,1484) (1480,1578,1804,2184)(1506,1819,1688,1918)(1553,2169,2148,2023)(1586, 1621,1649,1948)(1609,1742,1625,1732)(1654,1904)(1664,1884,1788,1691) (1679,2195)(1746,1752,2056,2059)(1861,2070)(1941,2113,2181,1974);