from typing import List

class UnionFind:
    """0-indexed"""
    def __init__(self, n):
        self.n = n
        self.parent = [-1] * n
        self.__group_count = n

    def unite(self, x, y) -> bool:
        """xとyをマージ"""
        x = self.root(x)
        y = self.root(y)
        if x == y:
            return False

        self.__group_count -= 1

        if self.parent[x] > self.parent[y]:
            x, y = y, x

        self.parent[x] += self.parent[y]
        self.parent[y] = x
        return True

    def is_same(self, x, y) -> bool:
        """xとyが同じ連結成分か判定"""
        return self.root(x) == self.root(y)

    def root(self, x) -> int:
        """xの根を取得"""
        if self.parent[x] < 0:
            return x
        else:
            # 経路圧縮あり
            # self.parent[x] = self.root(self.parent[x])
            # return self.parent[x]
            # 経路圧縮なし
            return self.root(self.parent[x])

    def size(self, x) -> int:
        """xが属する連結成分のサイズを取得"""
        return -self.parent[self.root(x)]

    def all_sizes(self) -> List[int]:
        """全連結成分のサイズのリストを取得 O(N)"""
        sizes = []
        for i in range(self.n):
            size = self.parent[i]
            if size < 0:
                sizes.append(-size)
        return sizes
    
    def members(self, x) -> List[int]:
        """xが属するグループのリストを返す O(N)"""
        mem = []
        r = self.root(x)
        for i in range(self.n):
            if self.root(i) == r:
                mem.append(i)
        return mem

    def groups(self) -> List[List[int]]:
        """全連結成分の内容のリストを取得 O(N・α(N))"""
        groups = dict()
        for i in range(self.n):
            p = self.root(i)
            if not groups.get(p):
                groups[p] = []
            groups[p].append(i)
        return list(groups.values())

    @property
    def group_count(self) -> int:
        """連結成分の数を取得 O(1)"""
        return self.__group_count

N, M, Q = map(int, input().split())
uf = UnionFind(7*N)
col = []
for i in range(N):
    s = list(input())
    for j in range(7):
        if s[j]=='1' and s[(j+1)%7]=='1':
            uf.unite(i*7+j,i*7+((j+1)%7))
    col.append(s)
G = [list() 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)
    for j in range(7):
        if col[u][j]=='1' and col[v][j]=='1':
            uf.unite(7*u+j, 7*v+j)

for i in range(Q):
    t, x, y = map(int, input().split())
    if t==1:
        col[x-1][y-1] = '1'
        if col[x-1][y%7]=='1':
            uf.unite(7*(x-1)+(y%7),7*(x-1)+y-1)
        if col[x-1][(y-2)%7]=='1':
            uf.unite(7*(x-1)+((y-2)%7), 7*(x-1)+y-1)
        for nex in G[x-1]:
            if col[nex][y-1] == '1':
                uf.unite(7*(x-1)+y-1,7*nex+y-1)
    else:
        print(uf.size(7*(x-1)))