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

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

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

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

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