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

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

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

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

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