[数值计算] [已解决]批处理for命令的tokens怎样才可以有52个变量？

@echo off
set "var=02,15,20,33,56,01,07,54,89,66,23,25,27,28,29,55,56,57,05,59,06,78,74,66,08,28,09,30,52,14,15,16,02,10,20,30,40,50,60,70,80,90,100,08,04,06,15,16,13,05,09"
set /a u=0&for %%a in (%var%) do set /a u+=1&set /a n=1
:l
if %n% geq 31 set/a m=n-30
if %n% lss 31 (
        for /f "tokens=%n% delims=," %%i in ("%var%") do set /a n+=1&echo %n%:%%i&if %n% Lss %u% goto L
) else (
        for /f "tokens=30* delims=," %%i in ("%var%") do (
                for /f "tokens=%m% delims=," %%k in ("%%j") do set /a n+=1&echo %n%:%%k&if %n% Lss %u% goto L
        )
)        

echo.&echo ok&pause>nul
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