Math Olympiad for Elementary | 2014 | Division E | Contest 2 | MOEMS | 2D

Problem: Sixteen 1cm x 1cm x 1 cm cubes are glued together, face-to-face, as shown. The object is then painted entirely red. What is the total area, in sq cm, of all the red painted surfaces?

Key: Don't forget to look on the inside faces!

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