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