BitsAtCrossroads

class BitsAtCrossroads
{
    static void Main()
    {
        int size = int.Parse(Console.ReadLine());
        int[,] matrix = new int[size, size];

        string input = Console.ReadLine();
        int numberOfCrossroads = 0;

        while (input != "end")
        {
            string[] tokens = input.Split();
            int row = int.Parse(tokens[0]);
            int col = size - int.Parse(tokens[1]) - 1;
            matrix[row, col] = 1;
            numberOfCrossroads++;
            numberOfCrossroads += findCrossroads(matrix, row, col, -1, -1);
            numberOfCrossroads += findCrossroads(matrix, row, col, -1, +1);
            numberOfCrossroads += findCrossroads(matrix, row, col, +1, +1);
            numberOfCrossroads += findCrossroads(matrix, row, col, +1, -1);
            input = Console.ReadLine();
        }
        for (int i = 0; i < matrix.GetLength(0); i++)
        {
            Console.WriteLine(GetNumber(matrix, i));
        }
        Console.WriteLine(numberOfCrossroads);
    }

    static int findCrossroads(int[,] board, int row, int col, int directionY, int directionX)
    {
        int intersections = 0;
        int len = board.GetLength(0);
        while (true)
        {
            row += directionY;
            col += directionX;
            if (row < 0 || row >= len || col < 0 || col >= len)
            {
                return intersections;
            }

            if (board[row, col] == 0)
            {
                board[row, col] = 1;
            }
            else
            {
                intersections++;
            }
        }
    }

    static uint GetNumber(int[,] board, int row)
    {
        string numAsString = "";
        for (int i = 0; i < board.GetLength(1); i++)
        {
            numAsString += board[row, i];
        }
        uint num = Convert.ToUInt32(numAsString, 2);
        return num;
    }
}