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

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

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

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

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