(0 21 2)(1 6 4)(3 11 9 7 5)(8 14 10)(12 16 13)(15 19 18)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 6 8)

(0 21 2)(1 14 10 8 4)(3 11 9 7 5)(6)(12 16 13)(15 19 18)(17 22 20)
2: (5 9 7)

(0 21 2)(1 14 10 8 4)(3 11 9)(5)(6)(7)(12 16 13)(15 19 18)(17 22 20)
3: (4 10 8)

(0 21 2)(1 14 10)(3 11 9)(4)(5)(6)(7)(8)(12 16 13)(15 19 18)(17 22 20)
4: (3 11 9)

(0 21 2)(1 14 10)(3)(4)(5)(6)(7)(8)(9)(11)(12 16 13)(15 19 18)(17 22 20)