By your PAP and rolling over the thumb, you are a borderline full roller....so have you tried a full roller layout?
And the layout is not the reason (a vast majority of the time) for flat 10's. It is either too much cover and the ball is burning up or losing energy or not enough cover and the ball labors, thus burning out.
Generally the only time a layout will cause a flat 10 is over flaring.
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