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

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

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

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

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