encoding utf-8 survey Pol_an_Ionain input Entrance/Entrance.th input MainChamber/MainChamber.th input Figure_of_Eight/Figure_of_Eight.th input 1959/1959.th equate 46@Entrance 46@MainChamber equate 49@MainChamber 49@Figure_of_Eight equate 53@MainChamber 22@1959 endsurvey