@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in ('findstr /s /m "\[Original\]" *.txt') do (
(for /f "usebackq delims=" %%b in ("%%~a") do (
echo %%b|find "[Original]">nul&&(
echo %%b
if defined orig (set orig=) else (set orig=1))||(
if defined orig (set "line=%%b"
set "line=!line:3=5!"
set "line=!line:7=5!"
set "line=!line:A=5!"
set "line=!line:B=5!"
set "line=!line:G=5!"
echo !line!
) else echo %%b)
))>#
move # "%%~a"
)