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