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LEGO Part 6118828 - 21731 - Angle Plate 1x2 / 2x4 Bright Yellow | LEGO Bricks, Replacement Pieces and Parts | Worldwide Flat Shipping to US, UK, Australia, Canada, New Zealand
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LEGO Part 6020146 - 43722 - Right Plate 2x3 with Angle Flame Yellowish Orange | LEGO Bricks, Replacement Pieces and Parts | Worldwide Flat Shipping to US, UK, Australia, Canada, New Zealand
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Hidden Math: The Numbers That Make LEGO Work - BrickNerd - All things LEGO and the LEGO fan community
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