var doc = $( 'iframe[id="/embed/colors-game"]' ).contentDocument;

var i = 200;
clickOnColoredBox();

function clickOnColoredBox() {
	var prevColors = null;

	for ( var div of doc.getElementsByTagName( 'div' ) ) {
		var color = div.style.backgroundColor;
		if ( !color ) {
			continue; /* Not a cell */
		}

		if ( prevColors === null ) {
			prevColors = {};
		}
		else if ( prevColors[color] === undefined ) {
			console.log( "Found unknown color: " + color );

			div.click();
			break;
		}

		prevColors[color] = 1;
	}

	if ( -- i >= 0 ) {
		setTimeout( clickOnColoredBox, 100 );
	}
}