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

#define ONLINE
#ifndef ONLINE
char DEBUG_BUFFER[1000];
#define debug(...) {sprintf(DEBUG_BUFFER,##__VA_ARGS__);cerr<<DEBUG_BUFFER;}
#else
#define debug(...) ;
#endif

using LL=long long;
using PII=pair<int,int>;

#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(),(x).rend()

#define FAST_IO {ios::sync_with_stdio(false);cin.tie(nullptr);}
inline int read(){static int x; cin>>x; return x;}
inline LL readLL(){static LL x; cin>>x; return x;}
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());

#define N 2001
bitset<N>key[N];

void solve(){
	int n=read(),m=read(),T=read();
	vector a(m+1,vector<int>(n+1));
	vector<array<int,4>>b(m+1,array<int,4>{-1,-1,-1,-1});
	for(int i=1;i<=m;i++){
		static string s; cin>>s;
		vector<int>vis(n+1);
		bool flag=1,ok=1;
		for(int j=1,k=0;j<=n;j++){
			a[i][j]=(s[k]-'0')*50+(s[k+1]-'0');
			k+=2;
			vis[a[i][j]]++;
			if(vis[a[i][j]]>1) flag=0;
			if(vis[a[i][j]]>=3) ok=0;
		}
		if(flag){
			b[i]={0,0,0,0};
		}
		else if(ok){
			int cnt=0,empty;
			for(int j=1;j<=n;j++){
				if(vis[j]==2) cnt++;
				else if(!vis[j]) empty=j;
			}
			if(cnt==1){
				b[i]={1,0,0,empty};
				for(int j=1;j<=n;j++){
					if(vis[a[i][j]]==2){
						if(!b[i][1]) b[i][1]=j;
						else b[i][2]=j;
					}
				}
			}
		}
	}
	
	vector<vector<int>>e(n+1);
	
	vector<int>scc(n+1);
	auto UPDATE=[&]()->void{
		scc.assign(n+1,0);
		vector<int>dfn(n+1),low(n+1),inStack(n+1),siz(n+1);
		int timStamp=0,col=0;
		stack<int,vector<int>>stk;
		auto tarjan=[&](auto&& self,int u)->void{
			low[u]=dfn[u]=++timStamp;
			stk.push(u),inStack[u]=1;
			for(auto v:e[u]){
				if(!dfn[v]){
					self(self,v);
					low[u]=min(low[u],low[v]);
				}
				else if(inStack[v]){
					low[u]=min(low[u],low[v]);
				}
			}
			if(dfn[u]==low[u]){
				++col;
				while(stk.top()!=u){
					siz[scc[stk.top()]=col]++;
					inStack[stk.top()]=0; stk.pop();
				}
				siz[scc[stk.top()]=col]++;
				inStack[stk.top()]=0; stk.pop();
			}
		};
		for(int i=1;i<=n;i++){
			if(!dfn[i]) tarjan(tarjan,i);
		}
		
		vector<vector<int>>adj(col+1);
		for(int u=1;u<=n;u++){
			for(auto v:e[u]){
				if(scc[u]!=scc[v]){
					adj[scc[u]].push_back(scc[v]);
				}
			}
		}
		for(int i=1;i<=col;i++){
			sort(all(adj[i]));
			adj[i].erase(unique(all(adj[i])),adj[i].end());
		}
		
		vector<int>vv(n+1);
		auto dp=[&](auto&& self,int u)->void{
			if(vv[u]) return;
			vv[u]=1;
			for(auto v:adj[u]){
				self(self,v);
				key[u]|=key[v];
			}
		};
		for(int i=1;i<=col;i++){
			key[i].reset();
			key[i][i]=1;
		}
		for(int i=1;i<=col;i++){
			dp(dp,i);
		}
		
	};
	
	for(int i=1;i<=n;i++){
		key[i].reset();
		key[i][i]=1;
	}
	
	vector<array<int,4>>q(T); //[a,b,c,id]
	for(int i=0;i<T;i++){
		static string s; cin>>s;
		q[i][3]=i;
		for(int j=0,k=0;j<3;j++){
			q[i][j]=(s[k]-'0')*50+(s[k+1]-'0');
			k+=2;
		}
		debug("i=%d\n",i);
	}
	debug("\t read2 ok\n");
	sort(all(q),[&](const array<int,4>& A,const array<int,4>& B)->bool{
		return A[2]<B[2];
	});
	vector<int>ans(T);
	int nw_c=1;
	for(auto [aa,bb,c,id]:q){
		debug("%d %d %d %d\n",aa,bb,c,id);
		bool upd=0;
		while(nw_c<=c){
			debug("nw_c=%d\n",nw_c);
			if(b[nw_c][0]==-1){
				nw_c++;
				continue;
			}
			if(b[nw_c][0]==0){
				for(int j=1;j<=n;j++){
					e[j].push_back(a[nw_c][j]);
				}
			}
			else{
				e[b[nw_c][1]].push_back(b[nw_c][3]);
				e[b[nw_c][2]].push_back(b[nw_c][3]);
			}
			upd=1;
			nw_c++;
		}
		debug("\tupd=%d\n",upd);
		if(upd){
			UPDATE();
		}
		ans[id]=key[scc[aa]][scc[bb]];
		debug("\t;\n");
	}
	debug("\tok\n");
	for(auto x:ans){
		cout<<x;
	}
	cout<<"\n";
}

int main(){
	FAST_IO;
	for(int T=read();T--;) solve();
	return 0;
}