I,J,R,O=input,int,range,print
X=I().split()
W,H,N,c=J(X[0]),J(X[1]),[str(i) for i in R(10)],0
p,a,w=[j for j in R(W)],{j for j in R(W)},[-1]*W
def r(i):
	m=p[i]
	while i!=m:
		p[i]=i=p[m]
		m=p[i]
	return i
def g(i,j):
	i=r(i)
	if p[i]!=r(j):
		p[i]=r(j)
		a.remove(i)
for h in R(H):
	if c:O(0)
	else:
		Q,D=I(),{}
		for j in R(W):
			q,s,t=Q[j],1,r(j)
			if q!='?':
				for n in R(10):
					if q==N[n]:
						if w[t]<0:w[t]=n
						elif w[t]!=n:c=1
						s=0
						break
				if s:
					if q in D:
						d=D[q]
						if w[t]<0:w[t]=w[d]
						elif w[d]<0:w[d]=w[t]
						elif w[d]!=w[t]:c=1
						if t!=d:
							g(t,d)
							D[q]=r(t)
					else:D[q]=t
		if c:O(0)
		else:
			e=0
			for j in a:
				if w[j]<0:e+=1
			O(pow(10,e,998244353))