lengmoke

@echo off & setlocal EnableDelayedExpansion
set strs=aA1一bB2二cC3三dD4四eE5五fF6六gG7七hH8八iI9九
:loop
set str=!strs:~0,4!
for /l %%i in (0,1,3) do ( set "str%%i=!str%%i!!str:~%%i,1!" )
set strs=!strs:~4!
if defined strs ( goto :loop )
for /l %%i in (0,1,3) do ( echo !str%%i! )
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