Beware of mistakes.
Highest digit:
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312, 321= Highest digit on the Lth position: 240 pick 3 numbers:
201, 301, 401, 501, 601, 701, 801, 901, 302, 402, 502, 602, 702, 802, 902, 403, 503, 603, 703, 803, 903, 504, 604, 704, 804, 904, 605, 705, 805, 905, 706, 806, 906, 807, 907, 908, 312, 412, 512, 612, 712, 812, 912, 413, 513, 613, 713, 813, 913, 514, 614, 714, 814, 914, 615, 715, 815, 915, 716, 816, 916, 817, 917, 918, 423, 523, 623, 723, 823, 923, 524, 624, 724, 824, 924, 625, 725, 825, 925, 726, 826, 926, 827, 927, 928, 534, 634, 734, 834, 934, 635, 735, 835, 935, 736, 836, 936, 837, 937, 938, 645, 745, 845, 945, 746, 846, 946, 847, 947, 948, 756, 856, 956, 857, 957, 958, 867, 967, 968, 978
210, 310, 410, 510, 610, 710, 810, 910, 320, 420, 520, 620, 720, 820, 920, 430, 530, 630, 730, 830, 930, 540, 640, 740, 840, 940, 650, 750, 850, 950, 760, 860, 960, 870, 970, 980, 321, 421, 521, 621, 721, 821, 921, 431, 531, 631, 731, 831, 931, 541, 641, 741, 841, 941, 651, 751, 851, 951, 761, 861, 961, 871, 971, 981, 432, 532, 632, 732, 832, 932, 542, 642, 742, 842, 942, 652, 752, 852, 952, 762, 862, 962, 872, 972, 982, 543, 643, 743, 843, 943, 653, 753, 853, 953, 763, 863, 963, 873, 973, 983, 654, 754, 854, 954, 764, 864, 964, 874, 974, 984, 765, 865, 965, 875, 975, 985, 876, 976, 986, 987
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132, 231 = Highest digit on the Middle position: 240 pick 3 numbers:
021, 031, 041, 051, 061, 071, 081, 091, 032, 042, 052, 062, 072, 082, 092, 043, 053, 063, 073, 083, 093, 054, 064, 074, 084, 094, 065, 075, 085, 095, 076, 086, 096, 087, 097, 098, 132, 142, 152, 162, 172, 182, 192, 143, 153, 163, 173, 183, 193, 154, 164, 174, 184, 194, 165, 175, 185, 195, 176, 186, 196, 187, 197, 198, 243, 253, 263, 273, 283, 293, 254, 264, 274, 284, 294, 265, 275, 285, 295, 276, 286, 296, 287, 297, 298, 354, 364, 374, 384, 394, 365, 375, 385, 395, 376, 386, 396, 387, 397, 398, 465, 475, 485, 495, 476, 486, 496, 487, 497, 498, 576, 586, 596, 587, 597, 598, 687, 697, 698, 798
120, 130, 140, 150, 160, 170, 180, 190, 230, 240, 250, 260, 270, 280, 290, 340, 350, 360, 370, 380, 390, 450, 460, 470, 480, 490, 560, 570, 580, 590, 670, 680, 690, 780, 790, 890, 231, 241, 251, 261, 271, 281, 291, 341, 351, 361, 371, 381, 391, 451, 461, 471, 481, 491, 561, 571, 581, 591, 671, 681, 691, 781, 791, 891, 342, 352, 362, 372, 382, 392, 452, 462, 472, 482, 492, 562, 572, 582, 592, 672, 682, 692, 782, 792, 892, 453, 463, 473, 483, 493, 563, 573, 583, 593, 673, 683, 693, 783, 793, 893, 564, 574, 584, 594, 674, 684, 694, 784, 794, 894, 675, 685, 695, 785, 795, 895, 786, 796, 896, 897
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123, 213 = Highest digit on the Rth position: 240 pick 3 numbers:
012, 013, 014, 015, 016, 017, 018, 019, 023, 024, 025, 026, 027, 028, 029, 034, 035, 036, 037, 038, 039, 045, 046, 047, 048, 049, 056, 057, 058, 059, 067, 068, 069, 078, 079, 089, 123, 124, 125, 126, 127, 128, 129, 134, 135, 136, 137, 138, 139, 145, 146, 147, 148, 149, 156, 157, 158, 159, 167, 168, 169, 178, 179, 189, 234, 235, 236, 237, 238, 239, 245, 246, 247, 248, 249, 256, 257, 258, 259, 267, 268, 269, 278, 279, 289, 345, 346, 347, 348, 349, 356, 357, 358, 359, 367, 368, 369, 378, 379, 389, 456, 457, 458, 459, 467, 468, 469, 478, 479, 489, 567, 568, 569, 578, 579, 589, 678, 679, 689, 789
102, 103, 104, 105, 106, 107, 108, 109, 203, 204, 205, 206, 207, 208, 209, 304, 305, 306, 307, 308, 309, 405, 406, 407, 408, 409, 506, 507, 508, 509, 607, 608, 609, 708, 709, 809, 213, 214, 215, 216, 217, 218, 219, 314, 315, 316, 317, 318, 319, 415, 416, 417, 418, 419, 516, 517, 518, 519, 617, 618, 619, 718, 719, 819, 324, 325, 326, 327, 328, 329, 425, 426, 427, 428, 429, 526, 527, 528, 529, 627, 628, 629, 728, 729, 829, 435, 436, 437, 438, 439, 536, 537, 538, 539, 637, 638, 639, 738, 739, 839, 546, 547, 548, 549, 647, 648, 649, 748, 749, 849, 657, 658, 659, 758, 759, 859, 768, 769, 869, 879
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