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