For fixed z and a=24/5, b>=a
For fixed z and a=24/5, b=24/5
For fixed z and a=24/5, b=5
For fixed z and a=24/5, b=26/5
For fixed z and a=24/5, b=27/5
For fixed z and a=24/5, b=28/5
For fixed z and a=24/5, b=29/5
For fixed z and a=24/5, b=6