For fixed z and a=1, b>=a

For fixed z and a=1, b=1

For fixed z and a=1, b=6/5

For fixed z and a=1, b=7/5

For fixed z and a=1, b=8/5

For fixed z and a=1, b=9/5

For fixed z and a=1, b=2

For fixed z and a=1, b=11/5

For fixed z and a=1, b=12/5

For fixed z and a=1, b=13/5

For fixed z and a=1, b=14/5

For fixed z and a=1, b=3

For fixed z and a=1, b=16/5

For fixed z and a=1, b=17/5

For fixed z and a=1, b=18/5

For fixed z and a=1, b=19/5

For fixed z and a=1, b=4

For fixed z and a=1, b=21/5

For fixed z and a=1, b=22/5

For fixed z and a=1, b=23/5

For fixed z and a=1, b=24/5

For fixed z and a=1, b=5