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