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

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

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

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

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