Using Konsole on Mepis, almost same as Nelz got. After the first command, the cursor ended up several blank screens below the prompt, indented as if the prompt was there but invisible. Anything I typed was echoed back at the prompt (if I scrolled back to check) but the focus would fly back to the cursor position, which moved as you typed but its area remained blank. The window did not change size or anything.
The output was :- 300 200 (NOT 200 300).
Unsolved mysteries of the Universe, No 13 :-
How many remakes of Anna Karenina does the World need?