
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
The diagram shows a three-dimensional front view constructed from several blocks, each measuring 12 cm in length, 4 cm in width, and 2 cm in height. Several points are marked on the diagram. An ant climbs from the left side of the ground, passing through the marked points, and reaches the right side of the ground. The ant's climbing speed is 2 cm per second when ascending, 3 cm per second when descending, and 4 cm per second when moving horizontally. How many seconds does the ant travel at a minimum?

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