@Override
    public boolean activateCleanRollJoker(int posX) {
        if(player.getCleanRollJoker(posX)) {
            player.setCleanRollJokerActivated(!player.getCleanRollJokerActivated(posX), posX);

            if(posX == 0 && player.getCleanRollJokerActivated(0) && player.getCleanRollJokerActivated(1))
                player.setCleanRollJokerActivated(false, 1);
            else if(posX == 1 && player.getCleanRollJokerActivated(0) && player.getCleanRollJokerActivated(1))
                player.setCleanRollJokerActivated(false, 0);

            notifyJokerObserver(player);

            return player.getCleanRollJokerActivated(0) || player.getCleanRollJokerActivated(1);
        }
        else 
            return false;
    }