#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 1000000000000000001


struct rolling_hash{

	long long t_hash;
	static inline vector<long long> power;
	static const long long MOD = (1LL<<61)-1;
	static const long long b = 123456;
	int sz;
	
	rolling_hash(){		
		sz = 0;
		t_hash = 0;
	}
	
	rolling_hash(char c){
		sz = 1;
		t_hash = b*c;
	}

	long long mul(__int128 x,__int128 y){
		__int128 t = x*y;
		t = (t>>61) + (t&MOD);
		
		if(t>=MOD)t -= MOD;
		return t;
	}
	
	long long get_pow(int sz){
		if(power.size()>sz)return power[sz];
		
		while(power.size()<=sz){
			if(power.size()==0)power.push_back(1);
			else power.push_back(mul(power.back(),b));
		}
		return power.back();
		
	}
	
	rolling_hash &operator+=(const rolling_hash &another){
		
		(*this).t_hash = mul((*this).t_hash,get_pow(another.sz));
		(*this).t_hash += another.t_hash;
		if((*this).t_hash>=MOD)(*this).t_hash -= MOD;
			
		(*this).sz += another.sz;
		
		return (*this);
	}
	
	rolling_hash operator+(const rolling_hash &another)const{
		return (rolling_hash(*this)+=another);
	}
	
	rolling_hash &operator-=(const rolling_hash &another){

		(*this).t_hash += MOD - mul(another.t_hash,get_pow((*this).sz-another.sz));
		if((*this).t_hash>=MOD)(*this).t_hash -= MOD;
			
		(*this).sz -= another.sz;

		return (*this);
	}
	
	rolling_hash operator-(const rolling_hash &another)const{
		return (rolling_hash(*this)-=another);
	}
	
	bool operator<(const rolling_hash &another)const{
		if((*this).t_hash!=another.t_hash)return (*this).t_hash<another.t_hash;
		return (*this).sz<another.sz;
	}
	
	bool operator==(const rolling_hash &another)const{
		return ((*this).t_hash==another.t_hash && (*this).sz==another.sz);
	}

	
};
rolling_hash op(rolling_hash a,rolling_hash b){
	return a+b;
}
rolling_hash e(){
	return rolling_hash();
}

int main(){
   
	int N,L,Q;
	cin>>N>>L>>Q;
	vector<segtree<rolling_hash,op,e>> seg(N);
	rep(i,N){
		string s;
		cin>>s;
		vector<rolling_hash> v(s.size());
		rep(j,L){
			v[j] = rolling_hash(s[j]);
		}
		seg[i] = segtree<rolling_hash,op,e>(v);
	}
	rep(_,Q){
		int t;
		cin>>t;
		if(t==1){
			int k;
			char c,d;
			cin>>k>>c>>d;
			k--;
			rep(i,N){
				if(seg[i].get(k)==rolling_hash(c)){
					seg[i].set(k,rolling_hash(d));
				}
			}
		}
		else{
			int ans = 0;
			string t;
			cin>>t;
			rolling_hash H;
			rep(j,t.size()){
				H += rolling_hash(t[j]);
			}
			rep(i,N){
				if(seg[i].prod(0,t.size())==H)ans++;
			}
			cout<<ans<<endl;
			
		}
	}
	return 0;
}