(0 20 9 6 4)(1 21 18 3 2)(5 10 7)(8 13 11)(12 16 14)(15 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 6 9)
(0 6 20 9 4)(1 21 18 3 2)(5 10 7)(8 13 11)(12 16 14)(15 19 17)
2: (5 10 7)
(0 6 20 9 4)(1 21 18 3 2)(5)(7)(8 13 11)(10)(12 16 14)(15 19 17)
3: (4 20 9)
(0 6 20)(1 21 18 3 2)(4)(5)(7)(8 13 11)(9)(10)(12 16 14)(15 19 17)
4: (3 21 18)
(0 6 20)(1 21 2)(3)(4)(5)(7)(8 13 11)(9)(10)(12 16 14)(15 19 17)(18)