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