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