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2430adds final brick, with length calculated by subtracting the gap length from half the length of a regular brick, perfectly matches the end with Row B

-1.4determines vertical gap between rows based on width, perfectly centers rows around Y=0, complements the "go to" blockblock executes all at oncedata:image/png;base64,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