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