@echo off
setlocal ENABLEDELAYEDEXPANSION
for /l %%i in (0,1,9) do set "n%%i=%%i"
for /f "delims=" %%a in (1.txt) do (
	for %%b in (%%a) do (
		set num=%%b
		set re=n!num:~-1!
		call set "!re!=%%!re!%% %%b"
		)
	)
for /l %%p in (0,1,9) do call echo %%n%%p%%
pause
goto :eofCOPY

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (a.txt) do (
   for %%j in (%%i) do (
       set str=%%j
       call set _!str:~-1!=%%_!str:~-1!%% %%j
))
for /l %%a in (0,1,9) do if not "!_%%a!"=="" echo %%a!_%%a!
pauseCOPY

@echo off
setlocal ENABLEDELAYEDEXPANSION
md l100
md g100
for /l %%i in (0,1,9) do set "n%%i=%%i"
for /f "delims=" %%a in (1.txt) do (
	for %%b in (%%a) do (
		if %%b lss 100 (echo off >l100/%%b) else (echo off >g100/%%b)
		)
	)
dir /o:n /b l100 >>result.txt
dir /o:n /b g100 >>result.txt
for /f %%m in (result.txt) do (
	set num=%%m
	set re=n!num:~-1!
	call set "!re!=%%!re!%% %%m"
	)
for /l %%p in (0,1,9) do call echo %%n%%p%%
rd /s /q l100
rd /s /q g100
del result.txt
pause
goto :eofCOPY

@echo off&setlocal enabledelayedexpansion
for /l %%a in (0,1,9) do (
    for /f "delims=" %%b in (b.txt) do (
         for %%c in (%%b) do (
              set /a num=%%c-%%a,num=num%%10
              if !num! equ 0 (
                 set "str=000%%c"&set "str=%%a!str:~-3!"
                 if defined _!str! (
                   call,set "_!str!=%%_!str!%% %%c"
                   ) else (
                   set "_!str!=%%c" 
                 )
               )        
          )
     )
)
for /f "tokens=1,2 delims==_" %%a in ('set _') do (
     set "str=%%a"&set "str=!str:~,1!"
     if not defined !str! (
       echo.&set /p=!str! %%b <nul&set "!str!=a"
       ) else (
       set /p=%%b <nul
     )
)
pause>nulCOPY

@echo off&setlocal enabledelayedexpansion
(for /f "tokens=*" %%a in (a.txt) do (
  for %%i in (%%a) do set "var=00%%i" & echo !var:~-3!
))>a_tmp.txt
 
for /f "tokens=* delims=0" %%a in ('sort a_tmp.txt') do (
  set var=%%a
  for %%i in (#!var:~-1!) do (
    set "var=!%%i! "
    if "!var: %%a =!"=="!var!" set %%i=!%%i! %%a
  )
)
 
for /l %%a in (0 1 9) do if defined #%%a echo %%a!#%%a!
del a_tmp.txt & pauseCOPY

@echo off
for %%a in (1 1 2 3 3 4 4) do set "_%%a=%%a"
set _
pause>nul COPY