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

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

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

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

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