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