Batcher

@echo off
setlocal enabledelayedexpansion
(for /f "delims=" %%a in ('type "list.txt"') do (
    set "str=%%a"
    set "str=!str: =!"
    set "str=!str:	=!"
    if "!str:~0,1!" equ "1" (
        echo !str:~0,11! !str:~11!
    ) else (
        echo !str:~-11! !str:~0,-11!
    )
))>"list_new.txt"
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