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