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