#include <stdio.h>

int matrix[10][10] = {
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
};

int main(int argc, char *argv[])
{
    int y, x;

    for (y = 0; y < 10; y++) {
        for (x = 0; x < 10; x++) {
            printf("%d ", matrix[y][x]);
        }
        printf("\n");
    }

    for (y = 0; y < 10; y++) {
        for (x = 0; x < 10; x++) {
            int x1 = x * (0) - y * (-1);
            int y1 = x * (1) + y * ( 0);

            matrix[y1][x1] |= (matrix[y][x] & 15) << 4;
        }
    }

    printf("\n");

    for (y = 0; y < 10; y++) {
        for (x = 0; x < 10; x++) {
            printf("%d ", matrix[y][x] >> 4);
        }
        printf("\n");
    }
    return 0;
}