/*Method climbingFurther
    **
    * Lets bouncer climbing down complex mine-shafts.
    */
    private void climbingFurther () {
        while (bouncer.canNotMoveRight()) {
            bouncer.move();
            if (bouncer.canNotMoveForward()) {
                    if (bouncer.isOnFieldWithColor(FieldColor.WHITE)){
                    bouncer.turnLeft();
                    bouncer.turnLeft();
                    climbingUp();
                    }
                    else {
                        bouncer.turnLeft();
                        bouncer.turnLeft();
                        }
                }
            }
        climbingDown();
        searchTunnel();
    }