Just as a small nudge with more proof, in this game, http://www.conquerclub.com/game.php?game=1169896 The accused followed each others turn quite often, except for one turn when I mentioned that they had done it considerably in every other game they were in, also if you noticed in the final moments ...
Game number: http://www.conquerclub.com/game.php?game=1165274 http://www.conquerclub.com/game.php?game=1140377 http://www.conquerclub.com/game.php?game=802259