20, 21
18, 19, 20, 21, 23, 24
21
22, 21
37, 36, 32, 31
31
25, 29, 28, 30
31, 32, 33, 36
26, 27, 28, 29, 30
31, 33, 35, 36, 38
25, 26, 27, 28, 29, 30
19
28, 26, 27, 25
25, 27, 28, 29, 30
31, 32, 33, 34, 35
35, 34, 32, 25, 26, 28, 31, 37, 38