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

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

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

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

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