how to avoid the bandit camp when doing first bandit in tutorial

Most people here who attacked the bandit camp here got intercepted by another camp with 10 scavengers instead of the 6 scavengers they planned on hitting. this pictures hows where to place your general so that it does not happen

Orange: where most people place their general
Yellow: the bandit camp they do not want to hit
Red: the right spot to put your general
Blue: the path he will take
Purple: the bandit camp you are trying to attack

also shows a decent way to set up your island (this is on the UK server so don't add me on this one just to look at it)