21x15 puzzle
Time: 		2
1
1		 2
1		 4
1		 5 2
3		 2
1		 2
1		 2
1
1		 2
1
1		 4
1
2		 4
1
2		 4
1
1		 4
1
1		 4
1
1		 4
4		 4
4		 4
2
1		 4
2
1		 3
2
2		 3
4		 7
 
9
21
21
2  12
1  3  1
18
3  1  7
1  2  2
11
3  1
 
 
 
 
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