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

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

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

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

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