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    Instructions: Here are some helpful tips:

    Convert the list into a 2D matrix of integers. Assign state codes to each cell. Use pen and paper: Start by defining an initial state for the matrix (e.g., a 3x3 grid for simplicity). Write down the matrix for each second, step by step, until you observe a repeating pattern or a cycle.

    Optimization Tips:

    Handle edge cases efficiently:

    Quickly return results for trivial cases or repeating sequences.

    Focus on patterns:

    Once you identify a repeating pattern, determine if you need to calculate the states for all seconds individually.

    Simplify your approach:

    Assess whether storing the state codes as integers is necessary for solving the problem.