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

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

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

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

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