For fixed z and a1=1, b1>=-23/4
For fixed z and a1=1, b1=-23/4
For fixed z and a1=1, b1=-21/4
For fixed z and a1=1, b1=-19/4
For fixed z and a1=1, b1=-17/4
For fixed z and a1=1, b1=-15/4
For fixed z and a1=1, b1=-13/4
For fixed z and a1=1, b1=-11/4
For fixed z and a1=1, b1=-9/4
For fixed z and a1=1, b1=-7/4
For fixed z and a1=1, b1=-5/4
For fixed z and a1=1, b1=-3/4
For fixed z and a1=1, b1=-1/4
For fixed z and a1=1, b1=1/4
For fixed z and a1=1, b1=3/4
For fixed z and a1=1, b1=5/4
For fixed z and a1=1, b1=7/4
For fixed z and a1=1, b1=9/4
For fixed z and a1=1, b1=11/4
For fixed z and a1=1, b1=13/4
For fixed z and a1=1, b1=15/4
For fixed z and a1=1, b1=17/4
For fixed z and a1=1, b1=19/4
For fixed z and a1=1, b1=21/4
For fixed z and a1=1, b1=23/4
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