1000 sudoku puzzles books for adults easy to medium to hard sudoku large print 1000 puzzles Paperback – Large Print
The easiest way starting a Sudoku puzzle is to scan rows and columns within each triple-box area, eliminating numbers or squares and finding situations where only a single number can fit into a single square. The scanning technique is fast and usually sufficient to solve easy puzzles all the way to the end.
A brain game like sudoku, as well as crossword puzzles, taking classes, reading, and writing, can help delay dementia and Alzheimer's disease, and protect the brain from decline. … And, says Snyder, while it offers good exercise and stimulation for the brain, sudoku can actually be very relaxing.
There's no formula, as every Sudoku has a unique solution. The only way is to abide by the rules, and then probably one day you should be able to read between the lines in the 4* or 5* puzzles.
The most basic strategy to solve a Sudoku puzzle is to first write down, in each empty cell, all possible entries that will not contradict the One Rule with respect to the given cells. If a cell ends up having only one possible entry, it is a “forced” entry that you should fill in.