(0 18 2)(1 6 3)(4 12 8)(5 16 14)(7 20 19)(9 15 10)(11 17 13)
ALLOWS (11/8)-SEQUENCE
1: (10 14 15)
(0 18 2)(1 6 3)(4 12 8)(5 16 14 9 15)(7 20 19)(10)(11 17 13)
2: (5 9 15)
(0 18 2)(1 6 3)(4 12 8)(5)(7 20 19)(9 16 14)(10)(11 17 13)(15)
3: (4 12 8)
(0 18 2)(1 6 3)(4)(5)(7 20 19)(8)(9 16 14)(10)(11 17 13)(12)(15)
4: (11 17 13)
(0 18 2)(1 6 3)(4)(5)(7 20 19)(8)(9 16 14)(10)(11)(12)(13)(15)(17)