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)],1
p,e=[j for j in R(W+10)],W
def r(i):
	m=p[i]
	while i!=m:
		p[i]=i=p[m]
		m=p[i]
	return i
def g(i,j):
	global e
	i,j=r(i),r(j)
	if i>j:i,j=j,i
	if i!=j:p[i],e=j,e-1
for h in R(H):
	Q,D=I(),{}
	for j in R(W):
		q,s=Q[j],1
		if q!='?':
			for n in R(10):
				if q==N[n]:
					g(j,W+n)
					s=0
			if s:
				if q in D:g(D[q],j)
				else:D[q]=j
	for n in R(10):
		if r(W+n)!=W+n:c=0
	O(pow(10,e,998244353) if c else 0)