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