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