20x31 puzzle
Time: 		31 31 31 31 31 31 31 31 31 31 31 12
18		 11
19		 6
4
6		 3 1
15
15
15
14
14
14  1
13
13
13
13
13
12
11  1
13
13
13
13
14
14
14
14
13
13
13
13
14
14
14
14
14
14
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