Solver-verified route
- Tap Screw 3.
- Tap Screw 1.
- Tap Screw 2.
- Tap Screw 4.
- Tap Screw 5.
- Tap Screw 6.
- Tap Screw 7.
- Tap Screw 19.
- Tap Screw 20.
- Tap Screw 21.
- Tap Screw 8.
- Tap Screw 9.
- Tap Screw 10.
- Tap Screw 11.
- Tap Screw 12.
- Tap Screw 13.
- Tap Screw 14.
- Tap Screw 15.
- Tap Screw 16.
- Tap Screw 17.
- Tap Screw 18.
- Tap Screw 22.
- Tap Screw 23.
- Tap Screw 24.
- Tap Screw 25.
- Tap Screw 26.
- Tap Screw 27.
- Tap Screw 28.
- Tap Screw 29.
- Tap Screw 30.
This route holds the buffer tray at a peak of 2 screws (the 3-star limit is 2). Solver difficulty score: 22.1.