class UnionFind:
    def __init__(self, n):
        self.parent = [-1] * n
        self.n = n
        self.cnt = n

    def root(self, x):
        if self.parent[x] < 0:
            return x
        else:
            self.parent[x] = self.root(self.parent[x])
            return self.parent[x]

    def merge(self, x, y):
        x = self.root(x)
        y = self.root(y)
        if x == y:
            return False
        if self.parent[x] > self.parent[y]:
            x, y = y, x
        self.parent[x] += self.parent[y]
        self.parent[y] = x
        self.cnt -= 1
        for yy in groups[y]:
            groups[x].append(yy)
        del groups[y]
        return True

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

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

    def count(self):
        return self.cnt

    def groups(self):
        res = [[] for _ in range(self.n)]
        for i in range(self.n):
            res[self.root(i)].append(i)
        return [group for group in res if group]



w, h = map(int, input().split())
queries = [input() for _ in range(h)]
MOD = 998244353


inv10 = pow(10, MOD - 2, MOD)
ptn = pow(10, w, MOD)
uf = UnionFind(w)

groups = {}
for i in range(w):
    groups[i] = [i]
numbers = {}
for i in range(w):
    numbers[i] = -1


for query in queries:
    before = [-1] * 26

    for i, char in enumerate(query):
        if char == "?":
            continue
        if char in '0123456789':
            rt = uf.root(i)
            if numbers[rt] == -1:
                numbers[rt] = int(char)
                ptn *= inv10
                ptn %= MOD
            elif numbers[rt] != int(char):
                ptn = 0
        else:
            val = ord(char) - 97
            if before[val] == -1:
                before[val] = uf.root(i)
            else:
                rt0 = uf.root(i)
                rt1 = uf.root(before[val])
                if rt0 == rt1:
                    continue
                if numbers[rt0] == -1 and numbers[rt1] == -1:
                    ptn *= inv10
                    ptn %= MOD
                elif numbers[rt0] == -1:
                    ptn *= inv10
                    ptn %= MOD
                    numbers[rt0] = numbers[rt1]
                elif numbers[rt1] == -1:
                    ptn *= inv10
                    ptn %= MOD
                    numbers[rt1] = numbers[rt0]
                elif numbers[rt0] != numbers[rt1]:
                    ptn = 0
                uf.merge(rt0, rt1)
                before[val] = uf.root(rt0)
    print(ptn % MOD)