@echo off&color 5f&mode con cols=40 lines=10
:begin
set n=0&set str=★&set var=◎&set tu=♀&set kong1= &set kong2=  &set kong3=     
set /a a=%random%%%8+1&set /a b=%random%%%10+3
set /a c=%b%-1&set /a d=%b%-2
for /l %%i in (1,1,%a%) do echo.
for /l %%j in (1,1,%b%) do call :lp
cls&goto begin
:lp
set /a n+=1
set str=%kong1%%str%
set var=%kong2%%var%
set tu=%kong3%%tu%
if %n% equ %d% echo %tu%&ping /n 1 127.1>nul
if %n% equ %c% echo %var%&ping /n 1 127.1>nul
if %n% equ %b% echo %str%&ping /n 1 127.1>nul
goto :eof