A cube such that the number of colors on it is less than the number of its painted faces, is called an Ego-Cube. How many of the smaller cubes are Ego-Cubes?
Explanation:
The cube should be such that the number of colors on it should be less than the number of its painted faces.
This is possible when more than 1 face of the cube is painted with same color.
Here, we do not have cube with same color on more than 1 face.
Hence, 0.
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