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