(0 18 9)(1 14 13)(2 7 4)(3 20 16)(5 19 17)(6 11 8)(10 15 12)
ALLOWS (11/8)-SEQUENCE
1: (0 9 18)
(0 9 18)(1 14 13)(2 7 4)(3 20 16)(5 19 17)(6 11 8)(10 15 12)
2: (5 19 17)
(0 9 18)(1 14 13)(2 7 4)(3 20 16)(5)(6 11 8)(10 15 12)(17)(19)
3: (0 9 18)
(0)(1 14 13)(2 7 4)(3 20 16)(5)(6 11 8)(9)(10 15 12)(17)(18)(19)
4: (3 20 16)
(0)(1 14 13)(2 7 4)(3)(5)(6 11 8)(9)(10 15 12)(16)(17)(18)(19)(20)