C:\test>for /l %i in (1,1,4) do @\perl64-14\bin\perl.exe -slw 972137.pl -T=%i
 1
clock: 27.309776 sec user: 27.343000
 2 1
clock: 13.878018 sec user: 27.625000
 2 1 3
clock: 9.370494 sec user: 27.875000
 3 2 1 4
clock: 7.205594 sec user: 27.765000