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

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

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

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

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