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