I probably didn't make this clear but I am just saying that their behavior is suspicious not that they are guilty. Also it is not so suspicious that they aren't attacking each other but that they are leaving their borrders undefended.
Game number: http://www.conquerclub.com/game.php?game=1374669
Comments: Yellow and Green have rarely attacked each other and when they do it is not in important places (see game log). They have had chances to break up ...