Su-dec-u (© WA)
Are you a fan of sudoku? And you also happen to be a fan of the decathlon?
Then we've got a game for you.
In our version, dubbed Su-Dec-U, enter the letters D-E-C-A-T-H-L-O-N into the blank spaces so that each row, column and 3x3 box contains those nine letters without repeats.
Download it here and give it a go!
World Athletics