11-15 23-18, 15-19 24-15, 10-19
27-24 7-10 -> 10-19
32-27 3-7
21-17 12-16
17-13 8-12
17-14 8-12
18-14 9-18 -> 5-9
18-15 8-12
25-21 8-12
26-23 19-26 -> 8-12
27-23 8-12
27-24 7-10 -> 10-19
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