plot './measuring.txt' using ($1*-1):($2*-1), '' using ($1*-1):($3*-1), '' using ($1*-1):($4*-1), '' using ($1*-1):($5*-1), '' using ($1*-1):($6*-1), '' using ($1*-1):($7*-1), '' using ($1*-1):($8*-1), '' using ($1*-1):($9*-1), '' using ($1*-1):($10*-1), '' using ($1*-1):($11*-1), '' using ($1*-1):($12*-1), '' using ($1*-1):($13*-1)