21x15 puzzle
Time:
11
1
11
1
11
1
11 11 11 11 1
10
1
10
10
3
6
1
5
14 11 10 8
2
1
8
2
11
2
3
7
1
9
1
9 1
7
12  5
7  3  5
13  4
17  2
21
21
10  10
21
10  10
18  1
9  8  1
7
8
3  3  5
 
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