WHY

@echo off
setlocal enabledelayedexpansion
(for /f "delims="  %%i in ('type 1.txt') do (
    set "s=%%i"
    for /L %%j in (0 1 30) do (
        if not "!s:~%%j!" == "" set /p "=!s:~%%j,1!,"
    ) < nul 
    echo;
)) > 1.csv
pause
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