import sys

class UnionFind:
    def __init__(self, N):
        self.p = list(range(N))
        self.size = [1] * N

    def root(self, x):
        while x != self.p[x]:
            x = self.p[x]
        return x

    def same(self, x, y):
        return self.root(x) == self.root(y)

    def unite(self, x, y):
        u = self.root(x)
        v = self.root(y)
        if u == v:
            return
        if self.size[u] < self.size[v]:
            self.p[u] = v
            self.size[v] += self.size[u]
            self.size[u] = 0
        else:
            self.p[v] = u
            self.size[u] += self.size[v]
            self.size[v] = 0

    def count(self, x):
        return self.size[self.root(x)]

def main():
    input = sys.stdin.buffer.readline
    N, M, Q = map(int, input().split())
    S = [int(input(), 2) for _ in range(N)]
    G = [[] for _ in range(N)]
    for i in range(M):
        u, v = map(int, input().split())
        u -= 1
        v -= 1
        G[u].append(v)
        G[v].append(u)
    uf = UnionFind(7 * N)
    for v, s in enumerate(S):
        ones = [i for i in range(7) if s>>(6-i)&1]
        v_offset = 7 * v
        if len(ones) >= 2:
            for o1, o2 in zip(ones, ones[1:]):
                if o1 + 1 == o2:
                    uf.unite(v_offset+o1, v_offset+o2)
            if ones[0] == 0 and ones[-1] == 6:
                uf.unite(v_offset, v_offset+6)
        for u in G[v]:
            for o in ones:
                if S[u]>>(6-o)&1:
                    uf.unite(v_offset+o, u*7+o)
    Ans = []
    for _ in range(Q):
        t, x, y = map(int, input().split())
        x -= 1
        if t == 1:
            v_offset = x * 7
            d = 7-y
            S[x] |= 1 << d
            v = v_offset + (y-1)
            d2 = (d-1)%7
            if S[x] >> d2 & 1:
                uf.unite(v, v_offset+y%7)
            d2 = (d+1)%7
            if S[x] >> d2 & 1:
                uf.unite(v, v_offset+(y-2)%7)
            for u in G[x]:
                if S[u]>>d&1:
                    u = u * 7 + y-1
                    uf.unite(v, u)
        else:
            ans = uf.count(x*7)
            Ans.append(ans)
    print("\n".join(map(str, Ans)))

main()