set /a i=%n%
set /a t=(%n%+1)/2
set /a a%t%_%n%=1,temp=1,m=n-1,p=n
:repeat
set /a p-=1
if %p% lss 0 goto array
for /l %%a in (1 1 %m%) do (
   setlocal enabledelayedexpansion
   if !t! gtr %n% set /a t=1
   if !i! gtr %n% set /a i=1
   set /a s=!t!+1,q=!i!+1
   if !s! gtr %n% set /a s=1
   if !q! gtr %n% set /a q=1
   set /a a!s!_!q!=a!t!_!i!+1,t+=1,i+=1
   set /a temp+=1
   if !temp! equ %n% (
         set /a temp=1,tmp=a!s!_!q!,q-=1,i-=1
         if !q! equ 0 set /a q=n
         set /a a!s!_!q!=tmp+1
         goto repeat
)  
)
pause
:array
echo Now behold the powerful Magic Sqaure^^!:
set /a a!t!_!n!=1
for /l %%c in (!n! -1 1) do (
   for /l %%d in (1 1 !n!) do (
              set /a result=a%%d_%%c
              set /p=!result!<nul     
)
echo.
)
pause>nul