
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
In a square room, there is a bulb on each wall that can shine one of the seven colors of the rainbow. There are no bulbs in the room that shine the same color. With each move, a person can change the color of one bulb to a color that no bulb is currently shining, while also changing the colors of the two other bulbs to the remaining two unused colors. (After the move, there still won't be two bulbs with the same color in the room). What is the minimum number of moves required so that eventually, each bulb has shone each of the seven colors?

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