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