E

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

const int N = 6e5 + 10;
int r[N];
int c[N];

map<pair<int,int>,int> cnt1,cnt2;
set<pair<int,int>> s1,s3;

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

    while(t--){
        cnt1.clear();
        cnt2.clear();
        set<pair<int,int>> s1,s2;

        int n,m;
        cin>>n>>m;

        for (int i=1;i<=n;i++){
            for (int j=1;j<=m;j++){
                int a;
                cin>>a;
                r[a] = i;
                c[a] = j;
            }
        }

        for (int i=1;i<=n;i++){
            for (int j=1;j<=m;j++){
                int a;
                cin>>a;
                if (r[a] != i)
                    cnt1[{r[a],i}]++;
                if (c[a] != j)
                    cnt2[{c[a],j}]++;
            }
        }

        bool ans = 1;

        for (auto [i,j] : cnt2)
            ans &= (j == n);

        for (auto [i,j] : cnt1)
            ans &= (j == m);

        if (ans)
            cout<<"YES\n";
        else
            cout<<"NO\n";
    }
}