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