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