>>13280343>begin puzzle by going through each row/col/square marking off all impossible numbers in each blank square with the dot method>find the ones with only one open spot and fill them in>update other squares with more dots>repeatThis will solve any newspaper/book puzzle not rated "SUPER OMG OMEGA" difficulty, and those can usually be finished with some extra easy deduction. Anything past that probably needs trial and error, and fuck that.