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