11 11
1 2 2 2 2 2 2 2 2 2 1
1 -1 2 -1 2 -1 2 -1 2 -1 1
4 -1 -4 -1 8 -1 -4 -1 8 -1 -2
25 2 -22 -22 2 50 2 -22 -22 2 25
25 -22 2 2 -22 50 -22 2 2 -22 25
25 23 2 -13 -22 -25 -22 -13 2 23 25
25 -13 -22 23 2 -25 2 23 -22 -13 25
100 143 92 47 8 -25 -52 -73 -88 -97 -50
100 47 -52 -97 -88 -25 92 143 8 -73 -50
100 -73 -52 143 -88 -25 92 -97 8 47 -50
100 -97 92 -73 8 -25 -52 47 -88 143 -50
