Methods/Steps First, look at the patterns on the left armor shield, which are divided into two types. Then click on the left side of the middle ground and adjust it according to the order on the shield. Look at the armor on the right and take a spear by the way. Remember the graphic order and flag direction. Adjust the switch on the ground. Finish the puzzle on the fence, open the fence, enter the balcony and take a hammer. Back to the first scene, you get a tool on the right. This tool is combined with a hammer to open the broken bricks on the wall and get a key. Open the box on the left with the key and get the yellow flag. Go back to the balcony, insert the spear in the middle position, and then adjust the direction and height of the flag according to the prompt to get the key. The third adjustment should correspond to the puzzle on the fence. Just enter the pattern that is not in each vertical row of the puzzle, then insert the key, open the door and pass the customs.