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