| 
  
  For fixed z and a=23/5, b>=a
  For fixed z and a=23/5, b=23/5 For fixed z and a=23/5, b=24/5 For fixed z and a=23/5, b=5 For fixed z and a=23/5, b=26/5 For fixed z and a=23/5, b=27/5 For fixed z and a=23/5, b=28/5 For fixed z and a=23/5, b=29/5 For fixed z and a=23/5, b=6 |