import sys
readline = sys.stdin.readline

class UnionFind(object):
    def __init__(self, n=1):
        self.par = [i for i in range(n)]
        self.rank = [0 for _ in range(n)]
        self.size = [1 for _ in range(n)]

    def find(self, x):
        if self.par[x] == x:
            return x
        else:
            self.par[x] = self.find(self.par[x])
            return self.par[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)
        if x != y:
            if self.rank[x] < self.rank[y]:
                x, y = y, x
            if self.rank[x] == self.rank[y]:
                self.rank[x] += 1
            self.par[y] = x
            self.size[x] += self.size[y]

    def is_same(self, x, y):
        return self.find(x) == self.find(y)

    def get_size(self, x):
        x = self.find(x)
        return self.size[x]

N, M, Q = map(int, readline().split())
S = []
for i in range(N):
    s = list(readline().rstrip("\n"))
    s = list(map(int, s))
    v = 0
    for j in range(7):
        if s[j]:
            v += 1 << j
    S.append(v)

G = [[] for i in range(N)]
for i in range(M):
    u, v = map(int, readline().split())
    u, v = u - 1, v - 1
    G[u].append(v)
    G[v].append(u)

U = UnionFind(7 * N)
for u in range(N):
    for y in range(7):
        if (S[u] >> y) & 1 == 0:
            continue
        ym = (y - 1) % 7
        if (S[u] >> ym) & 1:
            U.union(7 * u + y, 7 * u + ym)
        yp = (y + 1) % 7
        if (S[u] >> yp) & 1:
            U.union(7 * u + y, 7 * u + yp)

    for v in G[u]:
        for k in range(7):
            if (S[u] >> k) & 1 and (S[v] >> k) & 1:
                U.union(7 * u + k, 7 * v + k)

for _ in range(Q):
    q, u, y = map(int, readline().split())
    u, y = u - 1, y - 1
    if q == 1:
        S[u] |= 1 << y
        ym = (y - 1) % 7
        if (S[u] >> ym) & 1:
            U.union(7 * u + y, 7 * u + ym)
        yp = (y + 1) % 7
        if (S[u] >> yp) & 1:
            U.union(7 * u + y, 7 * u + yp)

        for v in G[u]:
            if (S[u] >> y) & 1 and (S[v] >> y) & 1:
                U.union(7 * u + y, 7 * v + y)
    else:
        print(U.get_size(7 * u))