function connectedCell(matrix) {
  let largestArea = 0;
  const rows = matrix.length;
  const cols = matrix[0].length;

  for (let i = 0; i < rows; i++) {
    for (let j = 0; j < cols; j++) {
      if (matrix[i][j] === 1) {
        depthFirstSearch(matrix, i, j, 0); // Start with area as 0
      }
    }
  }

  function depthFirstSearch(matrix, i, j, currentCell) {
    if (i < 0 || i >= rows || j < 0 || j >= cols || matrix[i][j] === 0) {
      return;
    }

    currentCell++;
    largestArea = Math.max(largestArea, currentCell);
    matrix[i][j] = 0;

    // Upper Row
    depthFirstSearch(matrix, i - 1, j - 1, currentCell);
    depthFirstSearch(matrix, i - 1, j, currentCell);
    depthFirstSearch(matrix, i - 1, j + 1, currentCell);

    // Current Row
    depthFirstSearch(matrix, i, j - 1, currentCell);
    depthFirstSearch(matrix, i, j + 1, currentCell);

    // Lower Row
    depthFirstSearch(matrix, i + 1, j - 1, currentCell);
    depthFirstSearch(matrix, i + 1, j, currentCell);
    depthFirstSearch(matrix, i + 1, j + 1, currentCell);

    matrix[i][j] = 1;
  }

  return largestArea;
}