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

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

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

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

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