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

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

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

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

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