#include<bits/stdc++.h>
using namespace std;
#define FOR(i,s,t) for(int i=(s),_t=(t); i<=_t; ++i)

const int N=205;
int b[N],c[N];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n,m,K;
    cin >> n >> m >> K;
    FOR(i,1,n) {
        string s;
        cin >> s;
        FOR(j,1,m) {
            b[i]+=s[j-1]-'0';
            c[j]+=s[j-1]-'0';
        }
    }
    int s=0;
    vector<int> ans;
    FOR(i,1,n-1) {
        s+=b[i];
        if(s%K==0 && b[i]) {
            ans.push_back(i);
        }
    }
    s=0;
    FOR(i,1,m-1) {
        s+=c[i];
        if(s%K==0 && c[i]) {
            ans.push_back(i);
        }
    }
    if(ans.size()==K*2-2) {
        cout << "YES\n";
        for(auto x: ans) cout << x << '\n';
    } else {
        cout << "NO\n";
    }
    return 0;
}