#pragma GCC optimize("Ofast")
#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <queue>
#include <cstdio>
#include <ctime>
#include <assert.h>
#include <chrono>
#include <random>
#include <numeric>
#include <set>
#include <deque>
#include <stack>
#include <sstream>
#include <utility>
#include <cstring>
#include <unordered_map>
#include <unordered_set>
#include <tuple>
#include <array>
#include <bitset>
using namespace std;
typedef long long int ll;
typedef unsigned long long ull;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) {
    return (ull)rng() % B;
}
inline double time() {
    return static_cast<double>(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()) * 1e-9;
}

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int q; cin >> q;
    while(q--){
        int h,w; cin >> h >> w;
        bool done = false;
        for(int _i=1;_i<=2;_i++){
            for(int _j=1;_j<=2;_j++){
                if(done)break;
                bool ok = true;
                int sum = 0;
                int turn = _i;
                while(sum < h){
                    sum += turn;
                    turn = 3-turn;
                }
                if(sum != h){
                    ok = false; continue;
                }
                sum = 0;
                turn = _j;
                while(sum < w){
                    sum += turn;
                    turn = 3-turn;
                }
                if(sum != w){
                    ok = false; continue;
                }
                if(ok)done = true;
                int t1 = _i, t2 = _j;
                for(int i=0;i<h;i++){
                    if(t1 == 1){
                        t2 = _j;
                        for(int j=0;j<w;j++){
                            if(t2 == 1){
                                cout << 0 << " "; 
                            }
                            else{
                                cout << 1 << " " << 1 << " ";
                                j++;
                            }
                            t2 = 3-t2;
                        }
                        cout << "\n";
                    }
                    else{
                        t2 = _j;
                        for(int j=0;j<w;j++){
                            if(t2 == 1){
                                cout << 1 << " "; 
                            }
                            else{
                                cout << 2 << " " << 2 << " ";
                                j++;
                            }
                            t2 = 3-t2;
                        }
                        cout << "\n";
                        t2 = _j;
                        for(int j=0;j<w;j++){
                            if(t2 == 1){
                                cout << 1 << " "; 
                            }
                            else{
                                cout << 2 << " " << 2 << " ";
                                j++;
                            }
                            t2 = 3-t2;
                        }
                        cout << "\n";
                        i++;
                    }
                    t1 = 3-t1;
                }
            }
        }
    }
}