#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vld = vector<ld>;
using vvld = vector<vld>;

#define fi first
#define se second
#define pb push_back
#define all(a) a.begin(),a.end()
#define rep(i,start,end) for(ll i=start;i<(ll)(end);i++)
#define per(i,start,end) for(ll i=start;i>=(ll)(end);i--)

void solve(){
  int h,w;
  cin>>h>>w;

  int x=((h+2)/3)*3,y=((w+2)/3)*3;

  vvi ans(x,vi(y));
  rep(i,0,x){
    rep(j,0,y){
      if(i%3==0&&j%3==0){
        ans[i][j]=0;
      }
      else if(i%3>=1&&j%3>=1){
        ans[i][j]=2;
      }
      else{
        ans[i][j]=1;
      }
    }
  }

  int start_x=0,end_x=x,start_y=0,end_y=y;

  if(h%3==1){
    end_x-=2;
  }
  if(h%3==2){
    start_x++;
  }

  if(w%3==1){
    end_y-=2;
  }
  if(w%3==2){
    start_y++;
  }

  rep(i,start_x,end_x){
    rep(j,start_y,end_y){
      cout<<ans[i][j]<<" ";
    }
    cout<<endl;
  }
}

int main(){
  int t;
  cin>>t;

  while(t--){
    solve();
  }
}