Modify PLL

PLL algorithms: Ri(Ui(R(c))) -> sequence("R Ui Ri", c)
PLL recognitions: recog_pattern(c, L=[(0, 0), (0, 1), (0, 2)], F=[(2,
0), (2, 1), (2, 2)], R=[(4, 0), (4, 1), (4, 2)], B=[(5, 0), (5, 1), (5,
2)]) -> recog_pattern(c, "000222444555")