0,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8
1,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0
2,0,0,0,0,0,0,1,0,2,0,1,0,0,0,0,0,0
3,0,0,0,0,0,1,0,3,0,3,0,1,0,0,0,0,0
4,0,0,0,0,1,0,4,0,6,0,4,0,1,0,0,0,0
5,0,0,0,1,0,5,0,10,0,10,0,5,0,1,0,0,0
6,0,0,1,0,6,0,15,0,20,0,15,0,6,0,1,0,0
7,0,1,0,7,0,21,0,35,0,35,0,21,0,7,0,1,0
8,1,0,8,0,28,0,56,0,70,0,56,0,28,0,8,0,1