zhouyongjun

@echo off&setlocal enabledelayedexpansion
for /f "tokens=1,2 delims=:" %%a in ('dir/b/a-d^|findstr/o ".*"') do (
    set/a n+=1,mod=n%%4,num=20-%%a+b
    if !mod! equ 1 (<nul set/p=%%~nb) else (
        for /l %%c in (1,1,!num!) do set/p= <nul
        <nul set/p=%%~nb
    )
    set "c=%%~xb9876543210"&set c=!c:~9,1!
    set/a b=%%a+c
    if !mod! equ 0 echo/
)
echo/&pause>nul
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