GETTING MY NUMBER PUZZLE GAMES TO WORK

I desire to try these but there isn't any real directions, hints or samples from very easy to really hard. It suggests to only use "logic" to figure out the quotation but I am unsure how to start out.For me, my brain begins bogging down at concerning the 4x5 size, generating even 4x7 simple puzzles alternatively tough at times. Likes one RemarkRegi