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