a  b
a    b
a      b
a   b

a      b
a      b
a      b
a      b

@setlocal enableextensions enabledelayedexpansion
@echo off
@for /f "tokens=1*" %%a in ('@type %windir%DirectX.log') do (
@set "A=%%a          "
@set B=%%b
@echo !A:~0,11!!B!
)
@endlocal