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

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

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

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

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