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

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

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

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

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