I had a lot of fun automate this game and see the results.
setInterval(function() {document.getElementsByTagName("a")[Math.floor(Math.random() * document.getElementsByTagName("a").length)].click()}, 5000)
setInterval(function() {document.getElementsByTagName("a")[Math.floor(Math.random() * document.getElementsByTagName("a").length)].click()}, 5000)