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

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

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

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

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