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

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

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

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

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