#include "bits/stdc++.h"
using namespace std;
//#include "atcoder/all"
//using namespace atcoder;
#define int long long
#define REP(i, n) for (int i = 0; i < (int)n; ++i)
#define RREP(i, n) for (int i = (int)n - 1; i >= 0; --i)
#define FOR(i, s, n) for (int i = s; i < (int)n; ++i)
#define RFOR(i, s, n) for (int i = (int)n - 1; i >= s; --i)
#define ALL(a) a.begin(), a.end()
#define IN(a, x, b) (a <= x && x < b)
template<class T>istream&operator >>(istream&is,vector<T>&vec){for(T&x:vec)is>>x;return is;}
template<class T>inline void out(T t){cout << t << "\n";}
template<class T,class... Ts>inline void out(T t,Ts... ts){cout << t << " ";out(ts...);}
template<class T>inline bool CHMIN(T&a,T b){if(a > b){a = b;return true;}return false;}
template<class T>inline bool CHMAX(T&a,T b){if(a < b){a = b;return true;}return false;}
constexpr int INF = 1e18;

struct UF{
	vector<int>par,sz;
	void init(int n){
		par.resize(n);
		sz.resize(n);
		for(int i=0;i<n;i++){
			par[i]=i;
			sz[i]=1;
		}
	}
	int find(int x){
		return x==par[x]?x:par[x]=find(par[x]);
	}
	void unite(int x,int y){
		x=find(x);y=find(y);
		if(x==y)return;
		sz[x]+=sz[y];
		par[y]=x;
	}
	bool same(int x,int y){
		return find(x)==find(y);
	}
	int size(int x){
		return sz[find(x)];
	}
};

signed main(){
	int N, M, Q;
	cin >> N >> M >> Q;
	vector<string> s(N);
	cin >> s;
	vector<vector<int>> g(N);
	REP(i, M) {
		int a, b;
		cin >> a >> b;
		--a; --b;
		g[a].emplace_back(b);
		g[b].emplace_back(a);
	}
	UF uf;
	uf.init(N * 7);
	REP(i, N) {
		REP(j, 7) {
			if(s[i][j] == '1' && s[i][(j + 1) % 7] == '1') {
				uf.unite(i * 7 + j, i * 7 + (j + 1) % 7);
			}
		}
		for(auto e: g[i]) {
			REP(j, 7) {
				if(s[i][j] == '1' && s[e][j] == '1') uf.unite(i * 7 + j, e * 7 + j);
			}
		}
	}
	REP(i, Q) {
		int t, x, y;
		cin >> t >> x >> y;
		--x; --y;
		if(t == 1) {
			s[x][y] = '1';
			if(s[x][(y + 1) % 7] == '1') uf.unite(x * 7 + y, x * 7 + (y + 1) % 7);
			if(s[x][(y - 1 + 7) % 7] == '1') uf.unite(x * 7 + y, x * 7 + (y - 1 + 7) % 7);
			for(auto e: g[x]) {
				if(s[e][y] == '1') uf.unite(x * 7 + y, e * 7 + y);
			}
		} else {
			out(uf.size(x * 7));
		}
	}
}