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

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

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

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

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