Prisoner
10 millimeters, because Shushuk kills his prisoners when the length of his… well, you know… is 1 centimeter.
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Anyway, I’m most embarrassed about the keyboard right now; I just *had* to take it. Some of the others are funny too… But the first one is the best. I actually looked it up in the periodic table, but I took it because I remembered the atomic number of copper, so it works…