def make_edge4_table(cls): edge4_move = [[0] * cls.MOVES for i in range(cls.EDGE4)] a = CubieCube() for i in range(cls.EDGE4): a.phase_2_ud_slice = i for j in range(6): for k in range(3): a.edge_multiply(MOVE_CUBE[j]) if k % 2 == 0 and j % 3 != 0: edge4_move[i][3 * j + k] = -1 else: edge4_move[i][3 * j + k] = a.phase_2_ud_slice a.edge_multiply(MOVE_CUBE[j]) return edge4_move