#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pi pair<int,ll>
#define fi first
#define se second
#define pb push_back
#pragma GCC optimize("O3")
#pragma GCC target("avx2")

typedef long long T;
const int N = 4e3+5;// beware of bipartite graphs being 2*n
const long long INF = 1e9;
struct edge {
    int a,b;
    T cap, flow ;
};
int n,m,s,t, ptr [N],d[N],q[N];
vector < edge > e;
vector <int > g [N];
void add_edge ( int a, int b, T cap ) {
    edge e1 = {a,b, cap,0LL };
    edge e2 = {b,a,0LL,0LL };
    g[a ]. push_back (( int )e. size () );
    e. push_back ( e1 );
    g[b ]. push_back (( int )e. size () );
    e. push_back ( e2 );
}
bool bfs () {
    int qh =0, qt =0;
    q[ qt ++] = s;
    memset (d, -1,( n +3) * sizeof (d [0]) ) ;
    d[s ] =0;
    while (qh < qt && d [t] == -1) {
        int v = q[ qh ++];
        for ( size_t i = 0; i <g [v ]. size () ; i ++) {
            int id = g[ v ][ i ];
            int to = e [ id ]. b;
            if(d[ to ] == -1 && e [ id ]. flow < e[ id ]. cap) {
                d[ to ] = d [v ]+1;
                q[ qt ++]= to ;
            }
        }
    }
    return d[t ]!= -1;
}
T dfs ( int v,T flow ) {
    if (! flow ) return 0;
    if(v == t) return flow ;
    for (; ptr [v ] <( int )g[v ]. size () ; ptr [v ]++) {
        int id = g[ v ][ ptr [v ]];
        int to = e[ id ]. b;
        if(d[ to ]!= d [v ]+1) continue ;
        T pushed = dfs(to,min(flow,e[ id ].cap-e[ id].flow));
        if( pushed ) {
            e[ id ]. flow += pushed ;
            e[ id ^1]. flow -= pushed ;
            return pushed ;
        }
    }
    return 0;
}
T dinic () {
    T flow =0;
    while (1) {
        if (! bfs () ) break ;
        memset ( ptr,0,( n +3) * sizeof ptr [0]) ;
        while (T pushed = dfs (s, INF )) {
            flow += pushed ;
        }
    }
    return flow ;
}
int nn,c;
int p2[20];
int forbid[3005];
int vs[3005];
void build(int msk){
    if(vs[msk])return;
    vs[msk]=true;
    for(int i=0;i<nn;i++){
        int nmsk=(msk^(1<<i));
        if(!forbid[nmsk]){
            add_edge(msk,nmsk,1);
            add_edge(nmsk,msk,1);
            //cout<< msk<<' '<<nmsk<<endl;
            build(nmsk);
        }
    }
}
int main(){
    int tt;cin>>tt;
    p2[0]=1;
    for(int i=1;i<20;i++){
        p2[i]=p2[i-1]*2;
    }
    while(tt--){
        cin>>nn>>c;
        n=p2[nn]+2;
        s=p2[nn]+1,t=s+1;
        string a,b;cin>>a>>b;
        int msk=0;
        for(int i=0;i<nn;i++){
            msk+=(a[i]==b[i]?p2[i]:0);
        }
        for(int i=0;i<c;i++){
            string s;cin>>s;
            int kk=0;
            for(int i=0;i<nn;i++){
                kk+=(s[i]=='='?p2[i]:0);
            }
            forbid[kk]=true;
        }
        build(msk);
        for(int i=0;i<p2[nn];i++){
            if(forbid[i])continue;
            if((__builtin_popcount(i)&1) == (__builtin_popcount(msk)&1)){
                add_edge(s,i,1);
                //cout<<s<<' '<<i<<endl;
            }else{
                add_edge(i,t,1);
                //cout<<i<<' '<<t<<endl;
            }
        }
        int fl1=dinic();
        memset(vs,0,sizeof vs);
        forbid[msk]=true;
        for(int i=0;i<p2[nn]+3;i++){
            g[i].clear();
        }
        e.clear();
        memset(ptr,0,sizeof ptr);
        memset(d,0,sizeof d);
        memset(q,0,sizeof q);
        for(int i=0;i<nn;i++){
            if(forbid[msk^(1<<i)])continue;
            if(!vs[msk^(1<<i)])build(msk^(1<<i));
        }
        for(int i=0;i<p2[nn];i++){
            if(forbid[i])continue;
            if((__builtin_popcount(i)&1) == (__builtin_popcount(msk)&1)){
                add_edge(s,i,1);
            }else{
                add_edge(i,t,1);
            }
        }
        int fl2=dinic();
        if(fl1==fl2){
            cout<<"Bob"<<endl;
        }else{
            cout<<"Alice"<<endl;
        }
        for(int i=0;i<p2[nn]+3;i++){
            g[i].clear();
        }
        e.clear();
        memset(vs,0,sizeof vs);
        memset(forbid,0,sizeof forbid);
        memset(ptr,0,sizeof ptr);
        memset(d,0,sizeof d);
        memset(q,0,sizeof q);
        n=s=t=0;
    }
}