An extensible static shape in the game of life. The classical long boat is the one pictured below with 7 cells, but longer ones are also sometimes called by this name, or very long boat, long long boat, etc.

......
..#...
.#.#..
..#.#.
...##.
......
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.