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

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

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

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

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