Can't defend against coordinated attacks

[itswin]

https://jmerle.github.io/koreye-2022/visualizer?input=https%3A%2F%2Fwww.kaggleusercontent.com%2Fepisodes%2F37412039.json

Step 176

Shipyards don't send reinforcements if the enemies reach the threatened shipyard before they can send reinforcements.