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