semihai

@echo off
setlocal enabledelayedexpansion
for /f %%a in ('dir /b *.jpg') do (
        set "file_name=%%a"
        md !file_name:~0,4!\!file_name:~4,3! 2>nul
        move %%a !file_name:~0,4!\!file_name:~4,3!\!file_name:~0!
)
pause