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