Sudoku Kropki volume 3

Sudoku Kropki 250 excellent puzzle 9x9.Sudoku for Adults with Solutions All riddles have only 1 solution. 2 puzzles per page.The font size is correct, you will not have to strain your eyes when solving puzzles.High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through).Kropki Sudoku is the variation of the original sudoku. If absolute difference between two digits in neighboring cells equals 1, then they are separated by a white dot. If the digit is a half of digit in the neighboring cell, then they are separated by black dot. The dot between 1 and 2 can be either white or black.Sudoku puzzles will help you to distract from everyday thoughts and relax. Regular puzzle solving trains your brain, develops memory and logical thinking. Also increases the skill of concentration