
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
Greg adds a glass window feature in his garden wall using 6 glass panes arranged in 3 columns and 2 rows. Each pane has a height to width ratio of 3:1. The framing between each pane and on the outskirts is consistently 3 inches wide. Determine the side length of the square framing structure needed to accommodate these panes.
A) 12 inches
B) 15 inches
C) 18 inches
D) 21 inches

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