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