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