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