I challenge you!

I played as the "hero" against the AI and finished the game in 12 days. I encountered the main AI player on the third day, and after giving him a hard time, victory became a matter of time. I captured garrisons on days 2, 8, 9, and 10. After taking the first garrison, I foolishly rushed towards the enemy city and suffered a crushing defeat – the approach was blocked. I had to read the forum and understand the essence of the trick. The map is truly designed for multiplayer and for two Homo_sapiens, playing against the AI is boring. Although, as a mental exercise, it's not bad. :)