@echo off &setlocal enabledelayedexpansion

set str= www.cn-dos.net

:a-1

for /l %%a in (1,1,20) do (set /a b=%%a+1 &set "_!random!_%%a=%%a=!b!" &set "k= !k!")

set k2=%k%

set col= abcdeabcde123456

if "%yes%"=="" (set "do=::  ") else (set "do=  ::")

for /f "tokens=1,2,3 delims==" %%a in ('set _') do (

  cls

  %do:~2% echo,  !k2:~-%%b!!str:~%%b,2! &color 0!col:~%%b,1!

%do:~0,2% set "k=!k:~0,%%b!!str:~%%b,1!!k:~%%c!" &echo,  !k!

  set "%%a="

  ping -n 1 127.1>nul &ping -n 1 127.1>nul &ping -n 1 127.1>nul

)

set yes=1

color 0f

%do:~2% goto :a-1

echo,   祝大家新年快乐！

title 中国dos联盟

pause>nul