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

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

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

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

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