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

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

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

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

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