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

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

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

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

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