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

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

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

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

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