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

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

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

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

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