class DisjointSetUnion():

    def __init__(self, n):
        self.n = n
        self.par_or_size = [-1] * n
    
    def merge(self, a, b):
        assert(0 <= a < self.n)
        assert(0 <= b < self.n)
        la = self.leader(a)
        lb = self.leader(b)
        if la == lb:
            return la
        if -self.par_or_size[la] < -self.par_or_size[lb]:
            la, lb = lb, la
        self.par_or_size[la] += self.par_or_size[lb]
        self.par_or_size[lb] = la
        return la
    
    def same(self, a, b):
        assert(0 <= a < self.n)
        assert(0 <= b < self.n)
        return self.leader(a) == self.leader(b)
    
    def leader(self, a):
        assert(0 <= a < self.n)
        if (self.par_or_size[a] < 0):
            return a
        else:
            self.par_or_size[a] = self.leader(self.par_or_size[a])
            return self.par_or_size[a]

    def size(self, a):
        assert(0 <= a < self.n)
        return - self.par_or_size[self.leader(a)]

    def group(self):
        result = dict()
        for a in range(self.n):
            la = self.leader(a)
            if la not in result:
                result[la] = []
            result[la].append(a)
        return result

MOD = 998244353

W, H = map(int, input().split())
dsu = DisjointSetUnion(W + 10)
cnt = W + 10

for i in range(H):
    Q = input()
    ls = [-1] * 26
    for j in range(W):
        if Q[j] == '?':
            continue
        elif ord('0') <= ord(Q[j]) <= ord('9'):
            if not dsu.same(j, W + int(Q[j])):
                cnt -= 1
                dsu.merge(j, W + int(Q[j]))
        else:
            prev = ls[ord(Q[j]) - ord('a')]
            if prev != -1:
                if not dsu.same(j, prev):
                    cnt -= 1
                    dsu.merge(j, prev)
            ls[ord(Q[j]) - ord('a')] = j
    
    ans = 1
    for i in range(9):
        for j in range(i + 1, 10):
            if dsu.same(W + i, W + j):
                ans = 0
                break
    if ans:
        ans = pow(10, cnt - 10, MOD)
    print(ans)