This is my java version of go4it. It is more 3D than the X version but still
it does fall a little short of full 3D--but the time benefits are worth it.
a small size board,
a medium size board, and
a large size board that you can look at.
This will soon be multi-user with the help of the Amazing
Take a look at the poorly documented program
and its helpers O4matrix,
Remember this is a first draft so the code is still ugly.