0,1, 1.73 0,2, 1.73 0,3, 1.73 0,4, 1.73 1,1, 1.32 1,2, 1.32 1,3, 1.32 1,4, 1.32 3,1,-0.45 3,2,-0.45 3,3,-0.45 3,4,-0.45 4,1, 1.52 4,2, 1.52 4,3, 1.52 4,4, 1.52