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