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