Little Sudoku

Start

 

This is a Sudoku which uses pictures instead of numbers.
There are four pictures: .
The Sudoku grid consists of sixteen squares. This is divided into four 2 x 2 squares, which must contain each of the four arrows. At the same time, each row and column of the 4 x 4 grid must contain the four arrows.

Below is a properly solved sudoku with a square, row and column highlighted:

solved sudoku

Press start to begin the game.
The arrows boxed in green are given and can't be changed. Click on the white squares and select the correct arrows to solve the puzzle.
Click on “Check” to see if you made any mistakes...