I,J,R,O=input,int,range,print X,T=I().split(),R(10) W,H,N,c=J(X[0]),J(X[1]),[str(i) for i in T],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 T: 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 T:c*=(r(W+n)==W+n) O(pow(10,e,998244353) if c else 0)