10 8
3 9 12 -9 12 7 12 18
-8 -16 3 -21 9 0 1 20
15 -5 -18 -4 -8 -3 -12 -9
-17 -18 17 -9 -18 7 -7 6
12 -6 2 -1 17 18 -4 -2
8 -6 -20 20 4 6 17 5
6 -15 -6 6 8 20 7 -9
16 15 -15 15 -5 -11 0 -15
6 -20 3 -13 7 -6 -17 7
7 20 -6 11 17 -7 -9 15