yangfengoo

@echo off&setlocal enabledelayedexpansion
set #=facebook.com
for /f "tokens=1* delims=." %%a in ("%#%") do set #=%%a&set ##=%%b
set/a n=0,n1=1,n2=2
:#
for /f "tokens=1,2,3" %%a in ("!n! !n1! !n2!") do set v=!#:~%%c,1!&echo !#:~0,%%a!!#:~%%b,1!!#:~%%a,1!!#:~%%c!.!##!
  set/a n+=1,n1+=1,n2+=1
  if not "!v!"=="" goto #
pause
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