
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
How many different patterns can be formed by shading exactly three of the sixteen squares in a 4x4 grid, considering that patterns that can be matched by flips and/or turns are not considered different?
A) 8
B) 10
C) 12
D) 14
E) 16

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