The steaks are cooked to nine (rare) in addition to one, three, five and seven, except that almost no one orders them fully cooked. If they did order it, the following scenario would probably occur.

For example, if you order a filet mignon and the waiter asks, "How rare would you like it, sir? Answer: "Well done"!

The waiter was surprised: "There is no fully cooked, we recommend that you order seven cooked, the taste is better oh". "I like it fully cooked" you insist.

The general attitude of the waiter will be contemptuous, said: "Well". Secretly thinking, "Here comes another turd".

If you insist on having it fully cooked, if the chef doesn't know how to make it, the waiter will suggest not to order it. If he does, he will order it fully cooked. But it's true that the waiter will scoff, the companion will be embarrassed, and the neighboring table will cast a disdainful glance.