leap

@echo off
set abc=今日明月在
echo %abc%
echo %abc:~4,1%%abc:~3,1%%abc:~2,1%%abc:~1,1%%abc:~0,1%
echo %abc:~-1%%abc:~-2,1%%abc:~-3,1%%abc:~-4,1%%abc:~-5,1%
echo %abc:~-1%%abc:~-2,-1%%abc:~-3,-2%%abc:~-4,-3%%abc:~-5,-4%
pause>nul
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