//Shirasu Azusa 2024.09
#include<bits/stdc++.h>
#define fi first
#define se second
#define eb emplace_back
#define mp make_pair
using namespace std;
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef __int128 i128;
template<typename T,typename U>
T ceil(T x, U y) {return (x>0?(x+y-1)/y:x/y);}
template<typename T,typename U>
T floor(T x, U y) {return (x>0?x/y:(x-y+1)/y);}
template<class T,class S>
bool chmax(T &a,const S b) {return (a<b?a=b,1:0);}
template<class T,class S>
bool chmin(T &a,const S b) {return (a>b?a=b,1:0);}
int popcnt(int x) {return __builtin_popcount(x);}
int popcnt(ll x)  {return __builtin_popcountll(x);}
int topbit(int x) {return (x==0?-1:31-__builtin_clz(x));}
int topbit(ll x)  {return (x==0?-1:63-__builtin_clzll(x));}
int lowbit(int x) {return (x==0?-1:__builtin_ctz(x));}
int lowbit(ll x)  {return (x==0?-1:__builtin_ctzll(x));}

#define int long long
#define rep(i,a,b) for(int i=(a);i<=(b);i++)
#define per(i,a,b) for(int i=(a);i>=(b);i--)
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pii> vp;
typedef tuple<int,int,int> tiii;
int read() {
  int x=0,w=1; char c=getchar(); 
  while(!isdigit(c)) {if(c=='-') w=-1; c=getchar();}
  while(isdigit(c)) {x=x*10+(c-'0'); c=getchar();} 
  return x*w;    
}

const int N=2005;
int n,m,q,f[N][N];

int getint(char a,char b) {
  return (a-48)*50+(b-48);
}

signed main() {
  int T=read();
  while(T--) {
    n=read(), m=read(), q=read();
    rep(i,1,n) rep(j,1,n) f[i][j]=m+1;
    rep(i,1,n) f[i][i]=0;
    rep(i,1,m) {
      static char st[N*2];
      scanf("%s",st); static int t[N],vs[N];
      rep(i,1,n) vs[i]=0;
      rep(i,1,n) {
        int x=i*2-2, y=i*2-1;
        t[i]=getint(st[x],st[y]);
        vs[t[i]]++;
      }
      int xc=0,y=0;
      rep(i,1,n) if(vs[i]!=1) {
        if(vs[i]==0) {
          if(y) {y=-1; break;}
          else y=i;
        } else xc=i;
      }
      if(y==-1) continue;
      if(y==0) {
        rep(j,1,n) chmin(f[j][t[j]],i);
      } else {
        rep(j,1,n) if(t[j]==xc) chmin(f[j][y],i);
      }
    }
    rep(k,1,n) rep(i,1,n) rep(j,1,n) chmin(f[i][j],max(f[i][k],f[k][j]));
    rep(i,1,q) {
      static char st[10];
      scanf("%s",st);
      int a=getint(st[0],st[1]), b=getint(st[2],st[3]), c=getint(st[4],st[5]);
      if(f[a][b]<=c) putchar('1');
      else putchar('0');
    } puts("");
  }
  return 0;
}