3

5 3 x  x 7 x  x x x
6 x x  1 9 5  x x x
x 9 8  x x x  x 6 x

8 x x  x 6 x  x x 3
4 x x  8 x 3  x x 1
7 x x  x 2 x  x x 6

x 6 x  x x x  2 8 x
x x x  4 1 9  x x 5
x x x  x 8 x  x 7 9

A very easy Sudoku puzzle with a nice layout. It can be solved with the most elementary tactics.

From <https://en.wikipedia.org/wiki/Sudoku_solving_algorithms>.
File:Sudoku Puzzle by L2G-20050714 standardized layout.svg
Tim Stellmach.
2017-04-08.
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.