#include <stdio.h> #include <bits/stdc++.h> #include <atcoder/modint> using namespace atcoder; using mint = modint998244353; using namespace std; #define rep(i,n) for(int i=0;i<(n);i++) #define Inf 1000000001 vector<int> get(int n){ int t = n; vector<int> b; rep(i,t/3){ b.push_back(1); b.push_back(1); b.push_back(0); } if(t%3==1)b.insert(b.begin(),0); else if(t%3==2){ b.push_back(1); b.push_back(1); } return b; } int main(){ int _t; cin>>_t; rep(_,_t){ int h,w; cin>>h>>w; vector<vector<int>> ans(h,vector<int>(w,0)); auto x = get(h); auto y = get(w); rep(i,h){ rep(j,w){ ans[i][j] = x[i] + y[j]; } } rep(i,h){ rep(j,w){ if(j!=0)cout<<' '; cout<<ans[i][j]; } cout<<endl; } } return 0; }