(0 11 9)(1 17 10 8 3)(2 6 4)(5 13 7)(12 21 20 16 14)(15 19 18)
ALLOWS (11/8)-SEQUENCE
1: (0 2 6)
(0 4 2 11 9)(1 17 10 8 3)(5 13 7)(6)(12 21 20 16 14)(15 19 18)
2: (1 17 3)
(0 4 2 11 9)(1)(3 10 8)(5 13 7)(6)(12 21 20 16 14)(15 19 18)(17)
3: (2 11 4)
(0 4 9)(1)(2)(3 10 8)(5 13 7)(6)(11)(12 21 20 16 14)(15 19 18)(17)
4: (5 13 7)
(0 4 9)(1)(2)(3 10 8)(5)(6)(7)(11)(12 21 20 16 14)(13)(15 19 18)(17)