Sometimes adjancent farms get same pattern. There is only limited set of patttern. And pattenrs are assigned by random.
Thanks for clearing this up, I just was not sure if I was interpreting the rules properly.
A suggested workaround for this would be to allow a player to position the mouse over a farm and have a command to switch it to a different pattern.
Only a small suggestion as I am very pleased with the program and think you have done an excellent job with it.