0:  [[0, -1/2, 0, 0, 1/2, -1/2, 1/2], [0, 0, -1, 0, 0, 0, 0], [0, 1/2, 0, 1/2, 0, 1/2, 1/2], [0, 2/3, 1/3, 0, 0, 0, 2/3], [1/4, 0, 1/2, 1/4, 1/4, 0, 3/4], [1/3, 1/3, -1/3, 1/3, 1/3, 0, 2/3], [2/7, 0, 0, -2/7, -4/7, 0, 5/7], [2/3, 0, 0, 2/3, 0, 0, 1/3]]