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

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

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

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

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