Do it the old-fashioned way,
and leave us alone..
[this website is not {safe cr}ackaday]
set number to 0000, does it open? no? -
set number to 0001, does it open? no? -
set number to 0002, does it open? no? -
set number to 0003, does it open? no? -
set number to 0004, does it open? no? -
...........................
set number to 9999, does it open? no?
you skipped a number somewhere,
you are not cut out for this line of work,
start from 0000 again
