data:image/png;base64,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:image/png;base64,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 numbers in CHANGE GHOST EFFECT and in WAIT are up to the students' taste. But the 100 in problem 4.7 is 100%, completely invisible, and it doesn't make sense to change it.random positionmore 1.1.2.31.1.2.7. Don't optimize out the first GO TO. (See note in Teacher Guide)2