: 1864
: 1941
18, 52, 1601
18, 53, 1623
19, 1, 10
19, 23, 718
19, 24, 776
19, 51, 1385
20, 17, 321
20, 47, 925
20, 47, 926
20, 50, 985
21, 5, 93
21, 22, 449