
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
Fifteen unit cubes are assembled to form an 'L' shaped 3D structure. The structure consists of an upright section of three cubes tall and two cubes wide, and a flat section at the base which is one cube high and extends three cubes from the base of the vertical section. Calculate the total surface area of this solid.

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