# Grain size distribution: volume (A^3) ; No. of grains
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0
   20334.219247539997                0