I got what you said about how it works, I have a problem with the results I have got, for example:
dc629ccec8a0c3c53e5a0707021a0053a325720e3321f5fb6db3f9339eac23f7 #+ 184ffe30916bcf90fdba43677100000  and I used -s, which means I have to actually add, but add what to what and how?