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

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

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

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

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