/* 
 * Author: $%U%$
 * Time: $%Y%$-$%M%$-$%D%$ $%h%$:$%m%$:$%s%$
 */
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,a,b) for(ll i=(a);i<=(b);i++)
#define per(i,a,b) for(ll i=(a);i>=(b);i--)
#define re(i,a,b) for(ll i=(a);i<(b);i++)
#define pe(i,a,b) for(ll i=(a);i>(b);i--)
#define getchar()(p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++)
char buf[1<<21],*p1=buf,*p2=buf;
template <typename T>
inline void read(T& r) {
	r=0;bool w=0; char ch=getchar();
	while(ch<'0'||ch>'9') w=ch=='-'?1:0,ch=getchar();
	while(ch>='0'&&ch<='9') r=r*10+(ch^48), ch=getchar();
	r=w?-r:r;
}
template <typename T>
inline void readupp(T& r){
	r=0;
	char ch=getchar();
	while(ch>'Z'||ch<'A')ch=getchar();
	r=ch;
}
template <typename T>
inline void readlow(T& r){
	r=0;
	char ch=getchar();
	while(ch>'z'||ch<'a')ch=getchar();
	r=ch;
}
template <typename T>
inline void readdig(T& r){
	r=0;
	char ch=getchar();
	while(ch>'9'||ch<'0')ch=getchar();
	r=ch-'0';
}
template <typename T>
inline void readvisi(T& r){
	r=0;
	char ch=getchar();
	while(ch>126||ch<33)ch=getchar();
	r=ch;
}
template <typename T>
inline ll readlowstr(T& r){
	ll n=0;
	char ch=getchar();
	while(ch>'z'||ch<'a')ch=getchar();
	while(ch<='z'&&ch>='a')r[++n]=ch-'a',ch=getchar();
	return n;
}
template <typename T>
inline ll readuppstr(T& r){
	ll n=0;
	char ch=getchar();
	while(ch>'Z'||ch<'A')ch=getchar();
	while(ch<='Z'&&ch>='A')r[++n]=ch-'A',ch=getchar();
	return n;
}
template <typename T>
inline ll readdigstr(T& r){
	ll n=0;
	char ch=getchar();
	while(ch>'9'||ch<'0')ch=getchar();
	while(ch<='9'&&ch>='0')r[++n]=ch-'0',ch=getchar();
	return n;
}
template <typename T>
inline ll readvisistr(T& r){
	ll n=0;
	char ch=getchar();
	while(ch>126||ch<33)ch=getchar();
	while(ch<=126&&ch>=33)r[++n]=ch,ch=getchar();
	return n;
}
const ll MOD=998244353;
ll gcd(ll A,ll B){return B?gcd(B,A%B):A;}
template<typename T>
void chkmax(T&A,T B){if(A<B)A=B;}
template<typename T>
void chkmin(T&A,T B){if(A>B)A=B;}
template<typename T>
T Madd(T A,T B){return A+B>=MOD?A+B-MOD:A+B;}
template<typename T>
T Msub(T A,T B){return A-B<0?A-B+MOD:A-B;}
template<typename T>
void MODed(T &A){A%=MOD;A+=(A<0?MOD:0);}
ll pw(ll A,ll B){
	ll res=1;
	while(B){
		if(B&1)res=res*A%MOD;
		A=A*A%MOD;
		B>>=1;
	}
	return res;
}
void _FILE(string s){
	freopen((s+".in").c_str(),"r",stdin);
	freopen((s+".out").c_str(),"w",stdout);
}
const ll N=200003,M=3003,INF=2000000000000000007ll;
ll n,m,a[N],vst[N],t;
ll id[N];
ll find(ll x){return x==id[x]?x:id[x]=find(id[x]);}
void unite(ll x,ll y){id[find(x)]=find(y);}
int main(){
	read(n),read(m);
	memset(vst,-1,sizeof(vst));
	t=n;
	rep(i,1,n)id[i]=i;
	rep(w,1,m){
		rep(i,1,n)readvisi(a[i]);
		rep(i,1,n){
			if(a[i]>='0'&&a[i]<='9'){
				if(vst[find(i)]==-1)vst[find(i)]=a[i],t--;
				else if(vst[find(i)]!=a[i])t=-1;
			}
		}
		ll lst[128];
		memset(lst,0,sizeof(lst));
		rep(i,1,n){
			if(a[i]>='a'&&a[i]<='z'){
				ll u=lst[a[i]];
				lst[a[i]]=i;
				if(u){
					u=find(u);
					ll v=find(i);
					if(u==v)continue;
					id[u]=v;
					if(vst[u]==-1&&vst[v]==-1)t--;
					else if(vst[u]==-1)t--;
					else if(vst[v]==-1)vst[v]=vst[u],t--;
					else if(vst[u]!=vst[v])t=-1;
				}
			}
		}
		if(t<0)puts("0");
		else printf("%lld\n",pw(10,t));
	}
	return 0;
}