How to escape from the fifth level of high-speed rail?

Prison break, escape from the Chamber of Secrets, level 8 and level 5 strategies are as follows: 1, first get the red chair in front of the monitor. Put the chair under the shelf by the door. 3. Take the doorknob to the shelf and look at the reminder paper. 4. Click the symbol on the monitor screen twice. 5. Click the box in the right drawer. 6. Adjust the shape that appears on the monitor with the tip paper that you just saw on the shelf. The order of the shapes is the triangle above, the diamond above and the hexagonal circle below. Open the box and get the key. 7. Use the key to open the iron cabinet on the right side of the door and get the key card. 8. Stick on the door card, and then install the door handle to get through.