mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

    class UnionFind():
        def __init__(self, n):
            self.n = n
            self.root = [-1] * (n + 1)
            self.rnk = [0] * (n + 1)

        def find_root(self, x):
            while self.root[x] >= 0:
                x = self.root[x]
            return x

        def unite(self, x, y):
            x = self.find_root(x)
            y = self.find_root(y)
            if x == y:
                return
            elif self.rnk[x] > self.rnk[y]:
                self.root[x] += self.root[y]
                self.root[y] = x
            else:
                self.root[y] += self.root[x]
                self.root[x] = y
                if self.rnk[x] == self.rnk[y]:
                    self.rnk[y] += 1

        def isSameGroup(self, x, y):
            return self.find_root(x) == self.find_root(y)

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

    N, M, Q = map(int, input().split())
    S = []
    for _ in range(N):
        S.append(list(input().rstrip('\n')))
    E = []
    adj = [[] for _ in range(N+1)]
    for _ in range(M):
        u, v = map(int, input().split())
        E.append((u, v))
        adj[u].append(v)
        adj[v].append(u)

    UF = UnionFind(N * 7)
    for i in range(N):
        si = S[i]
        for j in range(6):
            if si[j] == si[j+1] == "1":
                UF.unite(i+1 + j*N, i+1 + (j+1)*N)
        if si[0] == si[-1] == "1":
            UF.unite(i+1, i+1 + 6*N)
    for u, v in E:
        su = S[u-1]
        sv = S[v-1]
        for j in range(7):
            if su[j] == sv[j] == "1":
                UF.unite(u + j*N, v + j*N)

    for _ in range(Q):
        t, x, y = map(int, input().split())
        if t == 1:
            # self city
            S[x-1][y-1] = "1"
            prev = y-1 if y > 1 else 7
            nxt = y+1 if y < 7 else 1
            if S[x-1][prev-1] == "1":
                UF.unite(x + (y-1)*N, x + (prev-1)*N)
            if S[x-1][nxt-1] == "1":
                UF.unite(x + (y - 1) * N, x + (nxt - 1) * N)

            # adj
            for z in adj[x]:
                if S[z-1][y-1] == "1":
                    UF.unite(x + (y-1)*N, z + (y-1)*N)
        else:
            print(UF.size(x))


if __name__ == '__main__':
    main()