5. You need to dig your way to either the cave Entrance (E) or to the Stalactite junction (S) since the tunnel back to the Crystal chamber (C) is hopelessly blocked. Thus, you want to figure out which location is closer to your current position in Miner's co'in (M). A displacement vector Arms is the direct straight-line path that gets you from point A to point B. On your map above (right hand side), mark three locations (E, S and M; remember C is blocked) and then draw and label the displacement vectors from Miner's co'in to your two choices of location (e.g., AerE)