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

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

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

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

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