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