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