20x15 puzzle
Time: 		1
1
2		 1
1
2		 1
2
1		 1
2		 1
3		 2 3
1		 4
2		 4
2		 1
4		 1
2
1		 1
2
1
1		 1
4		 1
4		 1
5
2		 5
2		 5
2		 6
2		 5
4		 6
4
 
5  6  1
5
2  13
14
8  8
20
2  1  1  1
 
 
 
2
2
3  6
1  2  1  6
You might wish to visit the archives, if you want more.