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