A grade: { 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 62, 65, 66, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 114, 115, 117, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 192, 193, 194, 195, 196, 197, 198, 199, 201, 202, 203, 204, 205, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 239, 240, 241, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 279, 280, 281, 282, 285, 286, 287, 288, 289, 290, 291, 292, 293, 295, 297, 298, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 339, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 371, 372, 374, 375, 376, 378, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 391, 392, 393, 394, 396, 398, 399, 400, 401, 402, 403, 404, 405, 408, 409, 410, 411, 412, 414, 415, 421, 422, 423, 424, 425, 427, 428, 429, 431, 432, 433, 434, 435, 436, 437, 438, 440, 441, 442, 443, 444, 445, 446, 448, 449, 450, 451, 452, 453, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 470, 473, 474, 475, 476, 477, 478, 479, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 520, 521, 522, 523, 524, 525, 527, 528, 530, 532, 533, 534, 537, 539, 540, 541, 542, 543, 544, 545, 547, 548, 549, 550, 551, 552, 553, 554, 555, 558, 559, 560, 562, 565, 568, 573, 574, 576, 577, 578, 579, 580, 581, 583, 586, 587, 588, 589, 590, 591, 593, 594, 596, 597, 599, 600, 601, 602, 603, 605, 606, 607, 608, 610, 611, 612, 613, 616, 619, 620, 621, 623, 624, 629, 630, 631, 632, 633, 634, 635, 638, 639, 642, 643, 646, 647, 648, 649, 650, 656, 658, 659, 660, 661, 663, 664, 665, 668, 669, 670, 671, 673, 677, 680, 681, 684, 685, 686, 687, 688, 690, 691, 693, 696, 697, 698, 699, 703, 707, 709, 710, 712, 713, 715, 716, 718, 721, 722, 727, 728, 729, 730, 732, 733, 735, 737, 738, 743, 745, 747, 751, 753, 754, 756, 757, 758, 759, 761, 764, 767, 771, 774, 775, 776, 777, 778, 780, 781, 782, 783, 785, 787, 790, 791, 792, 793, 794, 796, 798, 799, 800, 801, 802, 803, 804, 805, 806, 808, 809, 811, 812, 816, 817, 818, 819, 820, 822, 824, 825, 829, 833, 835, 836, 837, 842, 843, 844, 846, 847, 848, 856, 858, 861, 862, 863, 864, 865, 866, 867, 868, 873, 874, 875, 877, 879, 880, 881, 884, 885, 886, 888, 890, 891, 892, 894, 897, 899, 900, 906, 907, 911, 916, 922, 923, 924, 927, 936, 937, 938, 940, 942, 947, 948, 949, 950, 952, 953, 955, 956, 957, 959, 960, 961, 962, 963, 964, 969, 976, 977, 978, 988, 991, 993, 997, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1010, 1011, 1012, 1014, 1015, 1016, 1017, 1020, 1023, 1024, 1025, 1026, 1028, 1030, 1031, 1032, 1033, 1034, 1038, 1044, 1045, 1046, 1048, 1049, 1054, 1055, 1056, 1058, 1059, 1060, 1061, 1062, 1063, 1066, 1067, 1068, 1069, 1070, 1073, 1074, 1075, 1077, 1080, 1081, 1082, 1083, 1084, 1086, 1087, 1088, 1089, 1091, 1092, 1095, 1096, 1097, 1098, 1099, 1100, 1105, 1106, 1107, 1109, 1110, 1112, 1113, 1114, 1115, 1118, 1119, 1122, 1123, 1124, 1125, 1126, 1130, 1134, 1136, 1137, 1138, 1141, 1143, 1146, 1147, 1149, 1151, 1152, 1154, 1155, 1156, 1157, 1158, 1167, 1168, 1169, 1171, 1183, 1184, 1185, 1190, 1195, 1196, 1197, 1199, 1200, 1201, 1204, 1205, 1206, 1207, 1210, 1211, 1216, 1217, 1221, 1222, 1226, 1228, 1229, 1230, 1231, 1232, 1233, 1234, 1235, 1236, 1237, 1240, 1241, 1242, 1243, 1244, 1247, 1248, 1249, 1253, 1255, 1258, 1260, 1261, 1262, 1263, 1264, 1265, 1266, 1268, 1271, 1272, 1273, 1277, 1280, 1281, 1282, 1283, 1284, 1285, 1287, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1302, 1305, 1308, 1309, 1311, 1313, 1314, 1315, 1316, 1317, 1321, 1325, 1326, 1327, 1328, 1331, 1335, 1336, 1337, 1339, 1343, 1345, 1350, 1352, 1354, 1355, 1356, 1357, 1359, 1360, 1361, 1362, 1366, 1367, 1370, 1371, 1372, 1373, 1374, 1375, 1376, 1377, 1379, 1380, 1385, 1387, 1388, 1390, 1391, 1392, 1393, 1394, 1397, 1398, 1399, 1402, 1405, 1406, 1407, 1409, 1410, 1411, 1412, 1414, 1415, 1421, 1422, 1423, 1424, 1425, 1426, 1427, 1429, 1438, 1439, 1440, 1446, 1447, 1448, 1449, 1450, 1452, 1453, 1460, 1463, 1464, 1465, 1466, 1468, 1472, 1473, 1474, 1475, 1476, 1477, 1481, 1484, 1486, 1488, 1494, 1495, 1496, 1498, 1502, 1506, 1507, 1508, 1509, 1514, 1515, 1516, 1517, 1523, 1528, 1529, 1530, 1533, 1534, 1535, 1536, 1537, 1538, 1541, 1543, 1546, 1551, 1553, 1555, 1556, 1557, 1559, 1560, 1562, 1563, 1564, 1565, 1568, 1569, 1570, 1571, 1573, 1579, 1582, 1588, 1589, 1590, 1592, 1594, 1596, 1609, 1610, 1612, 1617, 1619, 1622, 1623, 1625, 1626, 1634, 1635, 1637, 1640, 1641, 1645, 1646, 1647, 1655, 1656, 1657, 1658, 1659, 1678, 1683, 1685, 1688, 1689, 1690, 1692, 1694, 1697, 1698, 1700, 1701, 1703, 1706, 1710, 1716, 1722, 1725, 1726, 1728, 1729, 1733, 1734, 1736, 1743, 1744, 1746, 1752, 1754, 1755, 1756, 1758, 1759, 1760, 1761, 1764, 1774, 1775, 1778, 1782, 1784, 1787, 1788, 1789, 1800, 1818, 1819, 1821, 1824, 1825, 1828, 1832, 1834, 1837, 1839, 1840, 1841, 1843, 1845, 1848, 1850, 1854, 1858, 1859, 1871, 1876, 1879, 1881, 1882, 1883, 1887, 1891, 1894, 1901, 1905, 1909, 1914, 1922, 1928, 1929, 1936, 1937, 1940, 1948, 1953, 1954, 1956, 1963, 1964, 1965, 1966, 1967, 1971, 1974, 1976, 1977, 1978, 1980, 1982, 1983, 1989, 1992, 1996, 2008, 2009, 2010, 2011, 2013, 2026, 2027, 2028, 2031, 2035, 2038, 2044, 2045, 2054, 2059, 2060, 2061, 2062, 2067, 2073, 2080, 2087, 2106, 2112, 2116, 2124, 2125, 2126, 2127, 2145, 2146, 2147, 2148, 2149, 2150, 2168, 2169, 2170, 2173, 2176, 2177, 2185, 2194, 2206, 2213, 2216, 2217, 2220, 2225, 2226, 2232, 2234, 2235, 2236, 2240, 2242, 2243, 2246, 2255, 2256, 2259, 2261, 2268, 2269, 2270, 2274, 2275, 2285, 2286, 2288, 2289, 2292, 2295, 2296, 2297, 2298, 2301, 2302, 2304, 2305, 2309, 2310, 2314, 2322, 2323, 2333, 2339, 2340, 2348, 2350, 2351, 2353, 2356, 2358, 2359, 2361, 2362, 2369, 2373, 2378, 2384, 2385, 2387, 2389, 2394, 2395, 2397, 2398, 2400, 2401, 2403, 2404, 2405, 2406, 2408, 2410, 2412, 2413, 2414, 2415, 2416, 2418, 2419, 2421, 2422, 2423, 2424, 2425, 2426, 2427, 2428, 2429, 2430, 2431, 2433, 2434, 2435, 2436, 2438 }
B grade: { 48, 58, 61, 63, 64, 67, 68, 99, 113, 116, 118, 119, 145, 163, 190, 191, 200, 206, 218, 238, 242, 243, 244, 245, 246, 276, 277, 283, 284, 294, 296, 299, 300, 318, 338, 340, 370, 373, 377, 379, 390, 395, 397, 406, 413, 416, 417, 418, 419, 420, 426, 430, 454, 455, 456, 471, 472, 480, 500, 501, 516, 517, 518, 519, 526, 529, 538, 546, 556, 557, 561, 566, 567, 569, 570, 571, 572, 582, 584, 592, 595, 604, 609, 614, 615, 618, 626, 627, 628, 636, 637, 641, 644, 645, 652, 653, 654, 655, 657, 662, 666, 674, 675, 676, 678, 679, 682, 689, 692, 694, 695, 700, 701, 702, 704, 705, 706, 719, 723, 724, 726, 731, 741, 742, 744, 749, 750, 752, 755, 760, 762, 765, 766, 768, 769, 770, 779, 784, 788, 795, 797, 807, 810, 813, 814, 815, 823, 826, 827, 830, 831, 832, 834, 839, 841, 845, 849, 850, 851, 852, 853, 854, 855, 857, 859, 860, 872, 876, 882, 883, 887, 889, 893, 895, 896, 901, 902, 904, 905, 908, 910, 912, 914, 915, 917, 918, 920, 921, 926, 928, 930, 931, 932, 934, 935, 939, 941, 943, 944, 945, 946, 954, 958, 965, 966, 972, 973, 975, 980, 982, 983, 984, 985, 986, 989, 990, 1009, 1013, 1019, 1027, 1029, 1037, 1039, 1040, 1043, 1047, 1050, 1052, 1053, 1057, 1064, 1065, 1076, 1085, 1090, 1101, 1102, 1108, 1117, 1120, 1128, 1131, 1132, 1133, 1135, 1139, 1140, 1142, 1145, 1148, 1150, 1153, 1160, 1162, 1165, 1166, 1170, 1175, 1176, 1178, 1182, 1191, 1192, 1194, 1198, 1208, 1212, 1218, 1219, 1220, 1224, 1225, 1227, 1239, 1245, 1246, 1250, 1251, 1252, 1256, 1257, 1259, 1274, 1275, 1276, 1278, 1279, 1286, 1288, 1301, 1303, 1304, 1306, 1310, 1318, 1320, 1322, 1323, 1334, 1340, 1341, 1344, 1347, 1351, 1364, 1365, 1368, 1386, 1396, 1404, 1408, 1413, 1416, 1417, 1418, 1432, 1434, 1437, 1442, 1443, 1445, 1461, 1462, 1471, 1478, 1479, 1480, 1482, 1489, 1490, 1491, 1492, 1493, 1503, 1504, 1505, 1510, 1513, 1518, 1519, 1521, 1522, 1524, 1526, 1527, 1531, 1532, 1542, 1544, 1548, 1549, 1552, 1558, 1566, 1567, 1572, 1575, 1576, 1583, 1584, 1585, 1586, 1587, 1591, 1595, 1598, 1599, 1600, 1601, 1602, 1605, 1607, 1611, 1613, 1614, 1615, 1616, 1618, 1621, 1624, 1627, 1628, 1629, 1632, 1638, 1639, 1642, 1643, 1644, 1648, 1649, 1650, 1651, 1652, 1653, 1660, 1662, 1664, 1665, 1666, 1668, 1669, 1670, 1674, 1676, 1679, 1680, 1681, 1682, 1684, 1686, 1691, 1695, 1696, 1702, 1705, 1707, 1708, 1711, 1712, 1713, 1714, 1715, 1717, 1723, 1724, 1730, 1735, 1737, 1738, 1739, 1740, 1748, 1749, 1750, 1751, 1762, 1766, 1767, 1769, 1770, 1771, 1779, 1780, 1781, 1785, 1790, 1793, 1797, 1798, 1799, 1801, 1803, 1804, 1805, 1806, 1807, 1808, 1809, 1810, 1811, 1812, 1813, 1814, 1815, 1816, 1820, 1822, 1823, 1826, 1827, 1829, 1831, 1836, 1842, 1844, 1846, 1847, 1849, 1851, 1852, 1855, 1856, 1857, 1860, 1862, 1863, 1865, 1866, 1867, 1870, 1872, 1875, 1885, 1886, 1889, 1890, 1892, 1893, 1896, 1899, 1907, 1908, 1913, 1917, 1918, 1919, 1920, 1924, 1926, 1930, 1931, 1932, 1933, 1934, 1935, 1938, 1939, 1941, 1942, 1943, 1945, 1955, 1957, 1958, 1959, 1960, 1961, 1962, 1968, 1969, 1970, 1972, 1975, 1981, 1984, 1985, 1986, 1993, 1995, 2001, 2005, 2014, 2016, 2018, 2021, 2023, 2024, 2033, 2036, 2037, 2041, 2042, 2048, 2055, 2056, 2057, 2064, 2066, 2069, 2074, 2077, 2078, 2088, 2091, 2094, 2100, 2101, 2104, 2105, 2113, 2115, 2117, 2121, 2129, 2132, 2133, 2134, 2135, 2137, 2143, 2144, 2155, 2156, 2158, 2160, 2164, 2165, 2181, 2184, 2186, 2187, 2189, 2192, 2197, 2199, 2200, 2202, 2203, 2207, 2209, 2215, 2219, 2227, 2228, 2231, 2237, 2241, 2245, 2249, 2250, 2258, 2260, 2262, 2266, 2273, 2279, 2284, 2303, 2324, 2328, 2332, 2334, 2337, 2342, 2345, 2346, 2352, 2360, 2364, 2383, 2420, 2439, 2440, 2441, 2442 }
C grade: { 919, 1181, 2103, 2417 }
F grade: { 2, 278, 407, 439, 447, 469, 531, 535, 536, 563, 564, 575, 585, 598, 617, 622, 625, 640, 651, 667, 672, 683, 708, 711, 714, 717, 720, 725, 734, 736, 739, 740, 746, 748, 763, 772, 773, 786, 789, 821, 828, 838, 840, 869, 870, 871, 878, 898, 903, 909, 913, 925, 929, 933, 951, 967, 968, 970, 971, 974, 979, 981, 987, 992, 994, 995, 996, 998, 999, 1000, 1008, 1018, 1021, 1022, 1035, 1036, 1041, 1042, 1051, 1071, 1072, 1078, 1079, 1093, 1094, 1103, 1104, 1111, 1116, 1121, 1127, 1129, 1144, 1159, 1161, 1163, 1164, 1172, 1173, 1174, 1177, 1179, 1180, 1186, 1187, 1188, 1189, 1193, 1202, 1203, 1209, 1213, 1214, 1215, 1223, 1238, 1254, 1267, 1269, 1270, 1289, 1290, 1291, 1292, 1293, 1307, 1312, 1319, 1324, 1329, 1330, 1332, 1333, 1338, 1342, 1346, 1348, 1349, 1353, 1358, 1363, 1369, 1378, 1381, 1382, 1383, 1384, 1389, 1395, 1400, 1401, 1403, 1419, 1420, 1428, 1430, 1431, 1433, 1435, 1436, 1441, 1444, 1451, 1454, 1455, 1456, 1457, 1458, 1459, 1467, 1469, 1470, 1483, 1485, 1487, 1497, 1499, 1500, 1501, 1511, 1512, 1520, 1525, 1539, 1540, 1545, 1547, 1550, 1554, 1561, 1574, 1577, 1578, 1580, 1581, 1593, 1597, 1603, 1604, 1606, 1608, 1620, 1630, 1631, 1633, 1636, 1654, 1661, 1663, 1667, 1671, 1672, 1673, 1675, 1677, 1687, 1693, 1699, 1704, 1709, 1718, 1719, 1720, 1721, 1727, 1731, 1732, 1741, 1742, 1745, 1747, 1753, 1757, 1763, 1765, 1768, 1772, 1773, 1776, 1777, 1783, 1786, 1791, 1792, 1794, 1795, 1796, 1802, 1817, 1830, 1833, 1835, 1838, 1853, 1861, 1864, 1868, 1869, 1873, 1874, 1877, 1878, 1880, 1884, 1888, 1895, 1897, 1898, 1900, 1902, 1903, 1904, 1906, 1910, 1911, 1912, 1915, 1916, 1921, 1923, 1925, 1927, 1944, 1946, 1947, 1949, 1950, 1951, 1952, 1973, 1979, 1987, 1988, 1990, 1991, 1994, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2006, 2007, 2012, 2015, 2017, 2019, 2020, 2022, 2025, 2029, 2030, 2032, 2034, 2039, 2040, 2043, 2046, 2047, 2049, 2050, 2051, 2052, 2053, 2058, 2063, 2065, 2068, 2070, 2071, 2072, 2075, 2076, 2079, 2081, 2082, 2083, 2084, 2085, 2086, 2089, 2090, 2092, 2093, 2095, 2096, 2097, 2098, 2099, 2102, 2107, 2108, 2109, 2110, 2111, 2114, 2118, 2119, 2120, 2122, 2123, 2128, 2130, 2131, 2136, 2138, 2139, 2140, 2141, 2142, 2151, 2152, 2153, 2154, 2157, 2159, 2161, 2162, 2163, 2166, 2167, 2171, 2172, 2174, 2175, 2178, 2179, 2180, 2182, 2183, 2188, 2190, 2191, 2193, 2195, 2196, 2198, 2201, 2204, 2205, 2208, 2210, 2211, 2212, 2214, 2218, 2221, 2222, 2223, 2224, 2229, 2230, 2233, 2238, 2239, 2244, 2247, 2248, 2251, 2252, 2253, 2254, 2257, 2263, 2264, 2265, 2267, 2271, 2272, 2276, 2277, 2278, 2280, 2281, 2282, 2283, 2287, 2290, 2291, 2293, 2294, 2299, 2300, 2306, 2307, 2308, 2311, 2312, 2313, 2315, 2316, 2317, 2318, 2319, 2320, 2321, 2325, 2326, 2327, 2329, 2330, 2331, 2335, 2336, 2338, 2341, 2343, 2344, 2347, 2349, 2354, 2355, 2357, 2363, 2365, 2366, 2367, 2368, 2370, 2371, 2372, 2374, 2375, 2376, 2377, 2379, 2380, 2381, 2382, 2386, 2388, 2390, 2391, 2392, 2393, 2396, 2399, 2402, 2407, 2409, 2411, 2432, 2437, 2443 }