15x20 puzzle
Time:
2
10
1
10
10 10 9 9 3 3 3 3 3 3
2
1
8 8 1
7
2  1
1
 
 
 
 
 
 
 
 
4
11
14
15
6  4
6  3
6  4
6  4
6  3
6  4
You might wish to visit the archives, if you want more.