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