var input = new List<int>(){ 813, 696, 751, 718, 303, 947, 67, 633, 821, 587, 907, 331, 193, 667, 99, 496, 619, 841, 339, 981, 908, 576, 832, 491, 574, 899, 875, 871, 594, 672, 708, 931, 237, 587, 224, 638, 485, 102, 475, 281, 722, 77, 903, 386, 263, 652 };