3 plot 'inits' u 2:7 w histeps lc rgb '#ff0000' t 'Max cost [m]'
4 replot 'inits' u 2:10 w histeps lc rgb '#ffaaaa' t 'Stddev cost [m]'
5 replot 'inits' u 2:9 w histeps lc rgb '#00aa00' t 'Avg cost [m]'
6 replot 'inits' u 2:8 w histeps lc rgb '#aaddaa' t 'Min cost [m]'