data:image/png;base64,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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 once

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