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

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

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

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

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