Using 4 carriers starts at start point 1. * Fast fleet will route A → C. * Slow fleet routes A → B → C. * C → F → H is guaranteed routing. * H → N is more likely to occur when there is no Fast Battleship in Escort fleet. * H → K → M → N is more likely to occur otherwise. * Offroute condition for K → P unknown. Using 2 carriers starts at start point 2. Using 3 carriers starts at start point 3.