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

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

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

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

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