plot \
'frsh-wifi-load.dat' using ($1+0.8):3:(0.3) with boxes fs solid 0.5 title "FRSH" , \
'no-frsh-wifi-load.dat' using ($1+1.2):3:(0.3) with boxes fs pattern 1 title "No FRSH"
plot \
'frsh-wifi-load.dat' using ($1+0.8):3:(0.3) with boxes fs solid 0.5 title "FRSH" , \
'no-frsh-wifi-load.dat' using ($1+1.2):3:(0.3) with boxes fs pattern 1 title "No FRSH"