\documentclass{article}
\begin{document}
\begin{description}
\item[Case 1.]
1, 286, 484, 507, 790, 920.
\item[Case 2.]
16, 22, 80, 81, 83, 86, 127, 188, 266, 365, 385, 394, 400, 402, 404, 413, 414, 416, 428, 429, 430, 451, 465, 467, 468, 479, 487, 489, 494, 504, 509, 513, 515, 523, 524, 527, 528, 530, 533, 534, 535, 538, 541, 542, 544, 546, 550, 555, 561, 566, 567, 570, 620, 638, 639, 640, 672, 701, 703, 706, 714, 730, 735, 743, 745, 746, 747, 752, 759, 769, 776, 782, 783, 784, 785, 786, 807, 854, 855, 862, 889, 892, 909, 913, 915, 916, 917, 918, 919, 922, 923, 925, 926, 929, 932, 942, …