#include <iostream>
#include <vector>
#include <string>
#include <atcoder/dsu>

template <class Cost = int>
struct Edge {
    int src, dst;
    Cost cost;

    Edge() = default;
    Edge(int src, int dst, Cost cost = 1)
        : src(src), dst(dst), cost(cost){};

    bool operator<(const Edge<Cost>& e) const { return cost < e.cost; }
    bool operator>(const Edge<Cost>& e) const { return cost > e.cost; }
};

template <class Cost = int>
struct Graph : public std::vector<std::vector<Edge<Cost>>> {
    Graph(int n = 0) : std::vector<std::vector<Edge<Cost>>>(n) {}

    void span(bool direct, int src, int dst, Cost cost = 1) {
        (*this)[src].emplace_back(src, dst, cost);
        if (!direct) (*this)[dst].emplace_back(dst, src, cost);
    }
};

namespace ac = atcoder;

void solve() {
    int n, m, q;
    std::cin >> n >> m >> q;

    std::vector<std::string> css(n);
    for (auto& cs : css) std::cin >> cs;

    Graph<> graph(n);
    while (m--) {
        int u, v;
        std::cin >> u >> v;
        graph.span(false, --u, --v);
    }

    ac::dsu dsu(n * 7);
    for (int v = 0; v < n; ++v) {
        const auto& cs = css[v];
        for (int c = 0; c < 7; ++c) {
            if (cs[c] == '0') continue;
            if (cs[(c + 1) % 7] == '1') {
                dsu.merge(v * 7 + c, v * 7 + (c + 1) % 7);
            }

            for (auto e : graph[v]) {
                int u = e.dst;
                if (css[u][c] == '1') {
                    dsu.merge(v * 7 + c, u * 7 + c);
                }
            }
        }
    }

    while (q--) {
        int t, v, c;
        std::cin >> t >> v >> c;
        --v, --c;

        switch (t) {
            case 1: {
                auto& cs = css[v];

                cs[c] = '1';
                for (int d : {1, 6}) {
                    if (cs[(c + d) % 7] == '1') {
                        dsu.merge(v * 7 + c, v * 7 + (c + d) % 7);
                    }
                }

                for (auto e : graph[v]) {
                    int u = e.dst;
                    if (css[u][c] == '1') {
                        dsu.merge(v * 7 + c, u * 7 + c);
                    }
                }
                break;
            }
            case 2: {
                std::cout << dsu.size(v * 7) << "\n";
                break;
            }
        }
    }
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}