ETTooo

import java.util.Random;
import java.util.Scanner;

public class asd {
    static int row = 0;
    static int col = 0;
    static int numberOfMines = 0;

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        row = sc.nextInt();
        col = sc.nextInt();
        numberOfMines = sc.nextInt();
        sc.close();

        int[][] mineField = new int[row][col];

        placeMines(mineField);

        calcNumbers(mineField);


        countMines(mineField);

        printBoard(mineField);

    }

    public static void calcNumbers(int[][] mineFiled) {
        for (int i = 0; i < mineFiled.length; i++) {
            for (int j = 0; j < mineFiled[i].length; j++) {
                if (mineFiled[i][j] != 9) {
                    mineFiled[i][j] = minesNear(mineFiled, i, j);
                }
            }
        }
    }

    public static int minesNear(int[][] mineFiled, int y, int x) {
        int mines = 0;
        // check mines in all directions
        mines += mineChecker(mineFiled, x - 1, y - 1); // NW
        mines += mineChecker(mineFiled, x - 1, y); // N
        mines += mineChecker(mineFiled, x - 1, y + 1); // NE
        mines += mineChecker(mineFiled, x, y - 1); // W
        mines += mineChecker(mineFiled, x, y + 1); // E
        mines += mineChecker(mineFiled, x + 1, y - 1); // SW
        mines += mineChecker(mineFiled, x + 1, y); // S
        mines += mineChecker(mineFiled, x + 1, y + 1); // SE
        if (mines > 0) {
            // we're changing an int to a char
            // why?!
            // http://www.asciitable.com/
            // 48 is ASCII code for '0'
            return mines;
        } else {
            return 0;
        }
    }

    public static int mineChecker(int[][] mineField, int x, int y) {
        if ((x >= 0 && x < row) && y >= 0 && y < col && mineField[x][y] == 9) {
            return 1;
        } else {
            return 0;
        }
    }

    public static void placeMines(int[][] mineField) {
        Random random = new Random();
        int minesPlaced = 0;

        while (minesPlaced < numberOfMines) {
            int x = random.nextInt(row);
            int y = random.nextInt(col);
            // make sure we don't place a mine on top of another
            if (mineField[y][x] != 9) {
                mineField[y][x] = 9;
                minesPlaced++;
            }
        }
    }

    public static void countMines(int[][] mineFiled) {
        int mines = 0;
        for (int i = 0; i < mineFiled.length; i++) {
            for (int j = 0; j < mineFiled[i].length; j++) {
                if (mineFiled[i][j] == 9)
                    mines++;
            }
        }

        System.out.println(mines);
    }

    public static void printBoard(int[][] mineFiled) {
        for (int i = 0; i < mineFiled.length; i++) {
            for (int j = 0; j < mineFiled[i].length; j++) {
                System.out.print(mineFiled[i][j] + " ");
            }
            System.out.println();
        }
    }

}