ANCXJMGABCXSZK2D5JFM6KEMCCRVRGTYT3BWLF6VI6QYS7HS3I4AC
IBXNUZM7R2OUGL5TDRF7OUFYY53GTZMEFQ5VJRFQF47P3VWDVDJAC
H2DPLWMVRFYTO2CQTG54FMT2LF3B6UKLXH32CUA22DNQJVP5XBNQC
BULPIBEGL7TMK6CVIE7IS7WGAHGOSUJBGJSFQK542MOWGHP2ADQQC
local final_screen_line_starting_pos = startpos -- track value to return