#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
template<typename T> bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;}
template<typename T> bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;}
const long long mod=998244353;
const long long mod2=469762049;
const long long mod100=1000000007;

void solve(){
    int H,W;cin>>H>>W;
    int x,y;cin>>x>>y;
    if(H==3){
        cout<<1<<" "<<y<<endl;
        if(x==0 && y==0) return;
        cin>>x>>y;
        cout<<2<<" "<<y<<endl;
        if(x==0 && y==0) return;
        assert(0);
    }
    cout<<H-2<<" "<<1<<endl;
    cin>>x>>y;
    if(x==0 && y==0) return;
    cout<<H-2<<" "<<y<<endl;
    cin>>x>>y;
    if(x==0 && y==0) return;
    cout<<H-1<<" "<<y<<endl;
    cin>>x>>y;
    if(x==0 && y==0) return;
    assert(0);
}
int main(){
    cout.tie()->sync_with_stdio(0);
    cin.tie(0);
    int T;cin>>T;
    while(T--) solve();
}