[-2,-3,0,0]
[-1,-3,0,0]
[-1,0,0,0]
[0,0,-2,-3]
[0,0,-1,-3]
[0,0,-1,0]
[0,0,1,0]
[0,0,1,3]
[0,0,2,3]
[1,0,0,0]
[1,3,0,0]
[2,3,0,0]