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

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

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

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

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