puzzle6.txt

16
0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 7
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0
0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0
0 0 5 0 0 0 0 0 0 0 0 1 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 2 0 0 0 0 6 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 13 0 0 0 12 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 11 0 0 0 0 0 0 0 0 0 0 0 0 5
0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0
0 0 0 0 16 0 0 0 0 0 0 0 0 0 0 0