b21 := (1,25,21)(2,1678,33)(3,633,515)(4,1933,118)(5,1929,1818)(6,117,1996)(7, 463,367)(8,2172,239)(9,490,1805)(10,785,1045)(11,392,170)(12,799,883)(13, 643,1410)(14,921,204)(15,1163,1467)(16,119,1361)(17,1829,963)(18,825, 2289)(19,189,669)(20,143,1204)(22,56,1292)(23,2156,1453)(24,553,2072)(26, 1918,1617)(27,148,36)(28,187,1977)(29,1644,1279)(30,972,324)(31,214,1312) (32,760,386)(34,1708,1623)(35,574,1102)(37,2174,1732)(38,762,978)(39, 1152,2023)(40,1749,383)(41,263,1261)(42,366,1879)(43,141,1881)(44,1253, 303)(45,1886,1737)(46,1194,2078)(47,1686,1558)(48,685,579)(49,957,740) (50,687,2141)(51,624,198)(52,1851,2101)(53,498,575)(54,192,927)(55,1675, 1974)(57,357,2282)(58,270,2001)(59,569,1303)(60,428,1372)(62,787,676)(63, 620,1957)(64,1086,272)(65,431,496)(66,1085,1534)(67,1017,1767)(68,520, 489)(69,151,271)(70,262,917)(71,2055,309)(72,1034,1455)(73,2226,1747)(74, 1173,820)(75,672,555)(76,96,1820)(77,372,147)(78,1571,1114)(79,2279,2206) (80,2132,914)(81,2233,115)(82,1700,92)(83,2052,896)(84,1833,1609)(85, 1596,232)(86,1836,139)(87,138,462)(88,905,2083)(89,524,1451)(90,1193, 1405)(91,1229,1722)(93,302,238)(94,2087,564)(95,1729,1911)(97,523,717) (98,585,1505)(99,499,588)(100,1128,637)(101,1103,1487)(102,312,2017)(103, 2167,201)(104,774,1374)(105,1061,424)(106,391,597)(107,1900,1093)(108, 752,1232)(109,741,982)(110,1925,236)(111,1797,1456)(112,895,1471)(113, 245,2036)(114,1622,1792)(116,2208,646)(120,1482,2107)(121,786,603)(122, 2246,1565)(123,1917,1711)(124,834,644)(125,720,2215)(126,2123,1434)(127, 1653,2134)(128,1209,976)(129,1680,149)(130,678,977)(131,664,1515)(132, 630,253)(133,135,1002)(134,208,1097)(136,606,2182)(137,2280,1665)(140, 953,645)(142,754,878)(144,725,1412)(145,2198,297)(146,1398,1329)(150,599, 1290)(152,926,2267)(153,1597,354)(154,1278,1126)(155,1165,1470)(156,368, 1146)(157,601,1174)(158,1430,2268)(159,1474,1687)(160,1779,806)(161,1744, 598)(162,826,2069)(163,2199,1947)(164,739,1868)(165,2095,1655)(166,455, 1684)(167,949,396)(168,1856,2255)(169,2051,486)(171,1773,1063)(172,701, 1265)(173,2284,2258)(174,781,1129)(175,750,2136)(176,1462,1630)(177,789, 466)(178,1771,1756)(179,2294,1620)(180,235,457)(181,969,2081)(182,892, 352)(183,2041,742)(184,2154,2179)(185,1472,994)(186,1888,584)(188,1846, 1136)(190,1795,1809)(191,1351,1305)(193,846,1824)(194,268,407)(195,1733, 1510)(196,469,966)(197,864,315)(199,285,1256)(200,961,1095)(202,1478, 1062)(203,1461,617)(205,1670,1854)(206,339,721)(207,1347,351)(209,1289, 1338)(210,1072,1016)(211,1047,816)(212,2250,608)(213,1246,1406)(215,408, 1040)(216,300,1293)(217,1244,659)(218,1181,1676)(219,1318,321)(220,621, 1639)(221,770,435)(222,2222,1727)(223,2008,556)(224,1384,418)(225,492, 1806)(226,2033,1504)(227,2044,1745)(228,2196,2211)(229,887,1723)(230,594, 1344)(231,801,773)(233,534,733)(234,1250,1613)(237,1184,1230)(240,1341, 1427)(241,1815,1511)(242,840,1998)(243,983,1182)(244,2040,822)(246,1056, 1726)(247,1882,436)(248,2161,1718)(249,939,1751)(250,1238,2135)(251,813, 1084)(252,2243,1225)(254,814,897)(255,1266,362)(256,2219,1264)(257,782, 1842)(258,1081,1808)(259,776,333)(260,1574,1533)(261,306,1271)(264,1776, 382)(265,1287,1817)(266,1889,2047)(267,434,1348)(269,952,1965)(273,979, 795)(274,1458,1297)(275,541,797)(276,2058,940)(277,1679,2303)(278,1108, 1281)(279,426,1151)(280,2092,1082)(281,690,2080)(282,1381,1837)(283,1383, 401)(284,602,1526)(286,379,1069)(287,399,2061)(288,2018,1352)(289,1695, 545)(290,1065,1512)(291,448,1669)(292,2074,1638)(293,2130,1131)(294,1140, 1098)(295,709,2076)(296,1364,2288)(298,478,2116)(299,1694,376)(301,778, 425)(304,1483,882)(305,419,1625)(307,1646,1706)(308,1212,2062)(310,716, 1064)(311,2259,1320)(313,537,370)(314,2292,1556)(316,872,2162)(317,899, 661)(318,2097,1156)(319,1648,1864)(320,1317,1166)(322,1460,665)(323,1039, 1997)(325,1041,1465)(326,2163,441)(327,2115,1717)(328,2298,2129)(329, 1443,667)(330,1414,1934)(331,1845,1632)(332,1876,533)(334,718,562)(335, 1946,2244)(336,1395,1664)(337,529,611)(338,1579,824)(340,693,1021)(341, 1162,811)(342,1777,1033)(343,1288,1775)(344,683,546)(345,767,1789)(346, 2110,1418)(347,1277,1640)(348,1702,421)(349,1237,1529)(350,769,542)(353, 1087,662)(355,2197,730)(356,1970,1331)(358,2180,1698)(359,1730,502)(360, 417,1125)(361,1144,1342)(363,821,1573)(364,1099,1778)(365,1122,904)(369, 1960,443)(371,580,1932)(373,472,845)(374,2266,1692)(375,1913,881)(377, 1948,1557)(381,908,2214)(384,838,1492)(385,2251,1763)(387,1058,1914)(388, 984,1375)(389,1593,1585)(390,1753,506)(393,2027,841)(394,1019,1117)(395, 688,703)(397,871,1811)(398,1179,2236)(400,697,1873)(402,1891,1561)(403, 805,1514)(404,1010,1941)(405,989,2122)(406,1304,1363)(409,483,1530)(410, 1636,1658)(412,1709,2218)(413,1367,1416)(414,2147,1819)(415,1602,910) (416,1507,1436)(420,1559,832)(422,1191,1677)(423,2113,671)(427,1827,1822) (429,2084,1234)(430,640,1438)(432,1421,1967)(433,1522,1961)(437,1541,850) (438,1429,1796)(439,609,1299)(440,2126,971)(442,1311,1608)(444,681,1581) (445,2022,1537)(446,988,2075)(447,1734,2012)(449,595,1485)(450,848,2189) (451,1070,766)(452,1532,1748)(453,1707,2152)(454,1908,1335)(456,877,513) (458,1439,1159)(459,2035,573)(460,2164,1466)(461,1024,2261)(464,536,1399) (465,1899,1604)(467,474,1943)(468,1893,642)(470,1988,554)(471,1645,1584) (473,835,1332)(475,1316,1267)(476,1376,558)(477,1488,1110)(479,485,1199) (480,1302,1520)(481,1435,714)(482,2085,1346)(484,1525,1217)(487,1390, 1539)(488,1897,1902)(491,1148,706)(493,1924,1011)(494,551,1589)(495,1133, 1626)(497,880,568)(500,919,689)(501,793,677)(503,526,1365)(504,1233,1828) (505,510,1008)(507,1978,1736)(508,565,1339)(509,1906,1327)(511,1154,1823) (512,918,1239)(514,1306,2096)(516,1919,522)(517,2168,1531)(518,756,1938) (519,648,1357)(521,1028,1580)(525,1791,2210)(527,2188,847)(528,1588,1340) (530,833,2209)(531,734,1215)(532,1847,1813)(535,1077,1468)(538,1049,1814) (539,967,636)(540,2165,1235)(543,1198,729)(544,1973,1704)(547,622,1959) (548,1783,2090)(549,1413,1211)(550,2043,1612)(552,958,1540)(557,1576, 1728)(559,1172,1378)(560,1582,900)(561,2217,1359)(563,686,1769)(566,1373, 862)(567,1550,1666)(570,1975,2216)(571,2137,2247)(572,1187,1987)(576,582, 1419)(577,682,658)(578,1044,1710)(581,2155,1907)(583,635,604)(586,680, 639)(587,1392,944)(589,1060,663)(590,1546,2109)(591,1560,1633)(592,1446, 1403)(593,2089,1291)(596,1621,876)(600,2184,2275)(605,2124,753)(607,1923, 1766)(610,1991,1980)(612,1731,1547)(613,1371,1150)(614,726,1205)(615, 1428,810)(616,1701,1442)(618,650,1089)(619,2073,1656)(623,1995,1971)(625, 2173,1481)(626,1454,912)(627,975,844)(628,1603,1052)(629,1202,2253)(631, 2187,2117)(632,1543,1004)(634,691,2063)(638,1506,777)(641,1007,1079)(647, 1853,2149)(649,1123,1175)(651,1415,1475)(653,1496,738)(654,935,1195)(655, 1121,1197)(656,1870,673)(657,2304,1437)(660,1036,1218)(666,1349,1104) (668,1105,1916)(670,1425,1781)(674,987,853)(675,1334,1857)(679,906,1111) (692,1750,1831)(694,856,1538)(695,1807,1743)(696,708,1611)(698,1214,699) (700,790,1314)(702,1444,704)(705,1990,1119)(707,1486,1073)(710,1920,2056) (711,1983,2032)(712,1599,1459)(713,1803,2171)(715,2019,1201)(719,2010, 1782)(722,1411,1000)(723,798,1324)(724,2046,2296)(727,2283,859)(728,2203, 1720)(731,1420,947)(732,800,818)(735,1282,1139)(736,823,1649)(737,1100, 788)(743,1949,2220)(744,1269,1030)(745,1548,1409)(746,784,1741)(747,1892, 1942)(748,1542,2300)(749,2139,1260)(751,1972,1994)(755,2225,2024)(757, 2262,928)(758,2011,1035)(759,1682,1354)(761,885,842)(763,815,1830)(764, 1631,1508)(765,1689,1188)(768,2128,1762)(771,898,2067)(772,1840,1382) (775,1865,2079)(779,1310,2213)(780,2302,783)(791,1495,870)(792,2190,2212) (794,1336,2264)(796,1966,2025)(802,1379,2049)(803,1426,1759)(804,1066, 1164)(807,849,1877)(808,1874,1221)(809,2159,1945)(812,2192,1180)(817, 2034,1989)(819,1145,2248)(827,1600,2252)(828,1247,1963)(829,2145,1765) (830,1944,1964)(831,1176,903)(836,2204,2108)(837,998,2295)(839,1671,1835) (843,1210,1120)(851,1240,1953)(852,1452,1091)(854,1226,1502)(855,981, 1423)(857,974,1551)(858,1263,1641)(860,2151,2272)(861,2240,956)(863,970, 1562)(865,1572,1563)(866,2121,1242)(867,922,1968)(868,1206,1875)(869, 1142,2278)(873,1793,1276)(874,1248,1020)(875,1801,1955)(879,1992,1160) (884,1503,2224)(886,1457,1691)(888,2102,894)(889,1981,1930)(890,1800, 2118)(891,1362,1042)(893,2066,1051)(901,1610,2185)(902,2048,1681)(907, 1315,1141)(909,1143,1568)(911,2053,1903)(913,1615,2290)(915,1319,1183) (916,1871,1477)(920,1780,1037)(923,2099,1872)(924,1668,1627)(925,2265, 1635)(929,1577,1149)(930,2153,2104)(931,2029,1231)(932,1385,1927)(933, 1118,2239)(934,2260,1171)(936,2249,1647)(937,1760,1054)(938,2004,1262) (941,2059,1168)(942,2181,1169)(943,2140,1170)(945,2093,1787)(946,1926, 2223)(948,2039,1601)(950,1227,1294)(951,1667,1053)(954,2201,1186)(955, 1026,1804)(959,2054,2091)(960,1153,1096)(962,1690,2297)(964,1713,1029) (965,1088,1786)(968,2142,1616)(973,1516,1189)(980,1369,1545)(985,1491, 2221)(986,1674,1544)(990,1855,1880)(991,2009,1249)(992,1484,1553)(993, 1113,1489)(995,2234,1216)(996,1570,1962)(997,1080,1673)(999,1651,1552) (1001,1939,1018)(1003,1705,2082)(1005,1013,1614)(1006,2281,1652)(1009, 1124,1527)(1012,1027,1735)(1014,1500,1228)(1015,1296,1326)(1022,1598, 2205)(1023,2014,1999)(1025,1721,1848)(1031,1076,1887)(1032,1772,1958) (1038,1850,1355)(1043,2077,2002)(1046,2119,2098)(1048,1618,1715)(1050, 2254,1092)(1055,1109,1862)(1057,1940,1493)(1059,1714,1885)(1067,1498, 2120)(1068,1448,1200)(1071,2257,1432)(1074,1295,2006)(1075,1094,2028) (1078,1976,2148)(1083,1752,1401)(1090,1219,1380)(1101,2158,1178)(1106, 1116,2191)(1107,1377,1494)(1112,1196,2286)(1115,1433,1839)(1127,1672, 1275)(1130,1712,1190)(1132,1280,1368)(1134,1286,2157)(1135,1937,1657) (1137,2005,2160)(1138,1445,1147)(1155,1758,1724)(1157,1739,1345)(1158, 2020,1447)(1161,1901,1394)(1167,2263,1905)(1177,1236,1904)(1185,2166, 1884)(1192,2050,1554)(1203,1688,1860)(1207,1350,1812)(1208,2241,2270) (1213,2131,1284)(1220,1952,1909)(1222,2042,2245)(1223,1388,1241)(1224, 1404,1895)(1243,2026,1555)(1245,1683,2057)(1251,1313,2030)(1252,1867, 1784)(1254,2277,1328)(1255,1834,1391)(1257,1693,1393)(1258,2070,1564) (1259,1325,1463)(1268,1591,1469)(1270,1810,1536)(1272,1356,1366)(1273, 2291,2237)(1274,2021,1697)(1283,1774,2060)(1285,2037,1449)(1298,1358, 1595)(1300,2242,1307)(1301,1400,1587)(1308,2177,1450)(1309,1838,1832) (1321,1757,1844)(1322,2271,1956)(1323,1396,1407)(1330,2176,1513)(1333, 1696,2094)(1337,1816,2111)(1343,1501,2301)(1353,1629,1788)(1360,2195, 2256)(1370,1761,2299)(1386,1619,1575)(1387,2150,1524)(1389,2064,2071) (1397,2100,1517)(1402,1441,1725)(1408,2231,1843)(1417,1566,2285)(1422, 1921,2194)(1424,2269,1661)(1431,1890,1742)(1440,1798,2143)(1464,2200, 1490)(1473,1894,1928)(1476,1896,1523)(1479,2235,1637)(1480,1549,2287) (1497,1659,2293)(1499,2175,2229)(1509,2276,2016)(1518,2178,1915)(1519, 1821,2273)(1521,1790,1650)(1528,1642,1878)(1535,1719,1754)(1567,2013, 1654)(1569,1861,1935)(1578,1825,2125)(1583,1931,2138)(1586,1951,2000) (1592,2202,2183)(1594,1685,1746)(1605,1662,1910)(1606,2238,1912)(1607, 1985,1841)(1624,1936,1950)(1628,2068,2038)(1634,1954,2144)(1643,1869, 1858)(1660,1993,1716)(1663,2105,2045)(1699,1863,1768)(1703,1883,2146) (1738,2227,2232)(1740,1986,1898)(1755,1826,2133)(1764,1852,1859)(1770, 2127,2274)(1785,2065,2193)(1794,2114,2112)(1799,1979,2207)(1802,1849, 2031)(1866,1922,1969)(2003,2086,2015)(2007,2088,2228)(2103,2186,2106) (2169,2170,2230);