
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A child has a set of blocks characterized by being made of 3 materials (plastic, wood, metal), in 3 sizes (small, medium, large), 4 colors (blue, green, red, yellow), 4 shapes (circle, hexagon, square, triangle), and 2 textures (smooth, rough). If a specific block is 'plastic medium red circle smooth', how many blocks differ from this particular block in exactly three ways?

Present the answer in LaTex format: \boxed{Your answer}
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