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