-5000 -900 -500 -350 -300 -100 0 100 300 350 500 900 5000
2 0 0    1 0
-4 -2 -3 -5 -6 -3 -2 -4
-1 -1 -1 -1 -1 -1 -1 -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  0  0  0  0  0  0
 1  1  1  1  1  1  1  1
 4  2  3  5  6  3  2  4
0