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

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

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

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

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