#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e3 + 4;
map<string, string> maap;
vector<int> circle;
bool vis[N][N];
int parent[N];
int chk[N];
int color[N];
int tim[2][N];
int dis[N];
int position[N];
vector<int> adj[N];
vector<int> adj1[N];
vector<int> graph[N];
bool has_cycle;
int maxdis, maxnode, Totnode, depth = 1;
bool ok;
queue<int> q;
stack<int> stk;
vector<int> solution;
int indegree[N];
int go[N];
int to[N];
map<int, int> mp1;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  int t;
  cin >> t;
  int cas = 0;
  while (t--) {
    ll n, m, i, j, cnt1 = 0, cnt2 = 0, cnt = 0, even = 0, odd = 0, len, k, r, l,
                   z = 0, x = 0, y = 0, flag = 0, sum = 0;
    ll a = 0, b = 0, c = 0, d = 0, ans = 0, rem, quot, zero = 0, fst = 0,
       null = 0, snd = 0, lst = 0, rone = 0, one = 0, pos = 0, neg = 0,
       mn = INT_MAX, mx = INT_MIN;
    char ch;
    int h1, h2, m1, m2, h;
    int velo1, velo2, ac1, ac2, time;
    int node, edge, u, v, cost;
    string str, str1 = "", str2 = "", str3 = "", strstore1 = "", strstore2 = "";
    string arr[11];
    for (int i = 0; i < 9; i++) {
      cin >> arr[i];
    }
    for (int i = 0; i < 9; i++) {
      for (int j = 0; j < 9; j++) {
        if (arr[i][j] == '9') {
          arr[i][j] = '1';
          break;
        }
      }
    }
    for (int i = 0; i < 9; i++) {
      cout << arr[i] << endl;
    }
  }
  return 0;
}
