#include<stdio.h>
#include<vector>
using namespace std;
int map[9][9];
vector<pair<int, int> > empt;

bool isOkay(int y, int x,int num) {
    for (int i = 0; i < 9; i++) {
        if (map[y][i] == num)return false;
        if (map[i][x] == num)return false;
    }

    int yy = (y / 3) * 3;
    int xx = (x / 3) * 3;

    for (int i = yy; i <= yy + 2; i++) {
        for (int j = xx; j <= xx + 2; j++) {
            if (map[i][j] == num)return false;
        }
    }

    return true;
}

bool dfs(int idx) {
    if (idx == empt.size()) {
        for (int i = 0; i < 9; i++) {
            for (int j = 0; j < 9; j++) {
                printf("%d ",map[i][j]);
            }
            printf("\n");
        }

        return true;
    }

    int nowY = empt[idx].first;
    int nowX = empt[idx].second;

    for (int i = 1; i <= 9; i++) {
        if (isOkay(nowY, nowX, i)) {
            map[nowY][nowX] = i;
            if(dfs(idx + 1))
                return true;
            map[nowY][nowX] = 0;

        }
    }
}
int main() {

    for (int i = 0; i < 9; i++) {
        for (int j = 0; j < 9; j++) {
            scanf("%d",&map[i][j]);
            if (map[i][j] == 0) {
                empt.push_back({ i,j });
            }
        }
    }

    dfs(0);
    return 0;
}