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