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