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

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

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

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

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