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