At the bottom of a large hill more than 40 cars were involved in a large accident. Some cars were overturned and others were left to rest on top of other cars. The pile-up was so large that even a few military vehicles and a fire truck ended up being involved in the crash as well. What caused the big wreck?
Solution: https://pastebin.com/nJ2DSFWJ
Solution: https://pastebin.com/nJ2DSFWJ