
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
Under one of the squares of an $8 \times 8$ board, there is a treasure buried. Under each of the remaining squares, there is a tag indicating the minimum number of steps it takes to reach the treasure from that square (one step consists of moving to an adjacent square along one of its sides). What is the minimum number of squares that need to be dug to ensure retrieval of the treasure?

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