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

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

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

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

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