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