@echo off&color 1f&setlocal enabledelayedexpansion
set "code= abcdefghij "&set "s=┃"
set "codes=☆⊙★◎◇◆□■△▲"
:begin
echo.>temp.txt
set /a a=%random%%%10+1,b=%random%%%10+1,c=%random%%%10
set "b=!code:~%b%,1!"&set "tu=!codes:~%c%,1!"
if not defined _%a%%b% (set "_%a%%b%=%tu%") else (goto begin)
echo ┏━━┳━━┳━━┳━━┳━━┳━━┳━━┳━━┳━━┳━━┓>>temp.txt
for /l %%a in (1,1,10) do (
    for /l %%i in (1,1,10) do (
        set "str=!code:~%%i,1!"
        if defined _%%a!str! (call :lp %%a) else (set /p=%s%    <nul>>temp.txt)
    )
    set /p=%s% %%a<nul>>temp.txt&echo.>>temp.txt
    if %%a neq 10 (
       echo ┣━━╋━━╋━━╋━━╋━━╋━━╋━━╋━━╋━━╋━━┫>>temp.txt
       ) else (       
       echo ┗━━┻━━┻━━┻━━┻━━┻━━┻━━┻━━┻━━┻━━┛>>temp.txt
))
for /l %%i in (1,1,10) do set /p=   !code:~%%i,1!  <nul>>temp.txt
echo    %a%%b%>>temp.txt&set /a n+=1
cls&type temp.txt
if %n% lss 100 (for /l %%i in (1,1,2000) do echo>nul&goto begin) else (del /q temp.txt&pause>nul&goto :eof)
:lp
set "var=!_%1%str%!"
set /p=%s% %var% <nul>>temp.txt