data:image/png;base64,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data:image/png;base64,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 can make 6 stairs!2I can make 12 stairs!2I can make 18 stairs!2I can make 3 stairs!2I can make 6 stairs!2I can make 9 stairs!2I can make12 stairs!2I can make 15 stairs!2I can make 18 stairs!2