Text Tutorial:
1: Have a spider
2: Go prone at the way top right corner of the outside steps in the back of Lab B (If you are going to the back steps from the inside, the corner you want to prone in will be on your left)
3: Once the spider is on you and hitting you, pull back on the joystick
5: If done correctly the spider should then breach you under the steps
6. To get on the other side of the steps, simply line up with the wooden fence below you, lay prone, and scoot your way on over.
7. Enjoy, like, and subscribe for more!