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

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

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

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

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