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