15x15 puzzle
Time:
2
4
7 2
4
2
4
7 6 6 7 6 4
1
5 6 1
3
1
1
1
1
1
 
1
 
 
 
 
 
3
5  1  3
12
1  9
14
9  3
9  1
10  1
You might wish to visit the archives, if you want more.