Select a number, check the radio button of its column and click 'Show Next Page'. On the next page, find your number, check again the radio button of its column and click the button. Repeat the process once again and your number will be revealed.
Select a number, check the radio button of its column and click 'Show Next Page'. On the next page, find your number, check again the radio button of its column and click the button. Repeat the process once again and your number will be revealed.