2. On the second lap, choose one incoming line and two outgoing lines.

3. In the third lap, you can choose two, and one can choose two.

4. On the fourth lap, choose one of the two inlet pressures.

5. On the fourth lap, pick two and press two.

6. On the fifth lap, the incoming line pressure is two out of two.

7. On the fifth lap, the outlet pressure is one, two, two, three.

8. Choose one in the sixth lap, press two to choose two, and choose two.

9. The wire ends pass through the central hole from below.

10. Plastic, complete