The well known logic puzzle Binoxxo (Binary Puzzle).  Try it yourself.

Binoxxo has only three rules: 
You have to place x and o in a grid so there are no more than two consecutive o and x in a row or column. In each row and column there are the same number of x and o. All rows and all columns are unique. 

All who loves Sudoku's, Bimaru's and other logic puzzles Binoxxo is perfect for you. Join millions of people, who already enjoy solving Binoxxo's and experience the pleasure yourself.