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