15x20 puzzle
Time:
2 2 2 1
3
1
5
5 5 6 6 1
1
7
2
2
7
1
15
1
2
1
8
2
8
1
1
8
 
2
 
 
1
5
4
1  1
1  1
1  4
2  2
1
4
6
8
11
11
12
14
14
You might wish to visit the archives, if you want more.