Table 4: Transformation rules of new algorithm.


(0, 0)(0, 0)(0, 1)(−2, 0)
(0, −1)(0, 0)(−1, 0)(2, 0)
(0, 1)(0, 0)(1, 0)(−2, 0)
(−1, 0)(0, 0)(0, −1)(−2, 0)
(1, 0)(0, 0)(0, 1)(2, 0)