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

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

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

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

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