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