: 1868
: 1953
2, 51, 882
3, 1, 11
3, 10, 159
3, 13, 208
3, 18, 297
3, 21, 352
3, 26, 438
3, 31, 517
7, 37, 608
10, 11, 195
17, 28, 806
21, 33, 681