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

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

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

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

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