// what is matter? never mind. 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,sse4,popcnt,abm,mmx,avx,avx2") 
#include<bits/stdc++.h>
#define For(i,a,b) for(int i=(a);i<=(b);++i)
#define Rep(i,a,b) for(int i=(a);i>=(b);--i)
#define ll long long
#define ull unsigned long long
using namespace std;
inline int read()
{
	char c=getchar();int x=0;bool f=0;
	for(;!isdigit(c);c=getchar())f^=!(c^45);
	for(;isdigit(c);c=getchar())x=(x<<1)+(x<<3)+(c^48);
	if(f)x=-x;return x;
}

#define mod 1000000007
struct modint{
	int x;
	modint(int o=0){x=o;}
	modint &operator = (int o){return x=o,*this;}
	modint &operator +=(modint o){return x=x+o.x>=mod?x+o.x-mod:x+o.x,*this;}
	modint &operator -=(modint o){return x=x-o.x<0?x-o.x+mod:x-o.x,*this;}
	modint &operator *=(modint o){return x=1ll*x*o.x%mod,*this;}
	modint &operator ^=(int b){
		modint a=*this,c=1;
		for(;b;b>>=1,a*=a)if(b&1)c*=a;
		return x=c.x,*this;
	}
	modint &operator /=(modint o){return *this *=o^=mod-2;}
	friend modint operator +(modint a,modint b){return a+=b;}
	friend modint operator -(modint a,modint b){return a-=b;}
	friend modint operator *(modint a,modint b){return a*=b;}
	friend modint operator /(modint a,modint b){return a/=b;}
	friend modint operator ^(modint a,int b){return a^=b;}
	friend bool operator ==(modint a,int b){return a.x==b;}
	friend bool operator !=(modint a,int b){return a.x!=b;}
	bool operator ! () {return !x;}
	modint operator - () {return x?mod-x:0;}
	bool operator <(const modint&b)const{return x<b.x;}
};
inline modint qpow(modint x,int y){return x^y;}

vector<modint> fac,ifac,iv;
inline void initC(int n)
{
	if(iv.empty())fac=ifac=iv=vector<modint>(2,1);
	int m=iv.size(); ++n;
	if(m>=n)return;
	iv.resize(n),fac.resize(n),ifac.resize(n);
	For(i,m,n-1){
		iv[i]=iv[mod%i]*(mod-mod/i);
		fac[i]=fac[i-1]*i,ifac[i]=ifac[i-1]*iv[i];
	}
}
inline modint C(int n,int m){
	if(m<0||n<m)return 0;
	return initC(n),fac[n]*ifac[m]*ifac[n-m];
}
inline modint sign(int n){return (n&1)?(mod-1):(1);}

#define fi first
#define se second
#define pb push_back
#define mkp make_pair
typedef pair<int,int>pii;
typedef vector<int>vi;

#define maxn 200005
#define inf 0x3f3f3f3f

bool mbe;
int n,m;
int e[1005][1005],deg[1005],vis[1005];
modint res;

int d1[44],d2[44],m1,m2,n1,n2;
int lg[1<<22|5],popc[1<<22|5];
int s1[1<<22|5],s2[1<<22|5],sc[1<<22|5],sta[1<<22|5];
int to11[44],to12[44],to22[44];
bool med;

void work(int u)
{
//	cout<<"u: "<<u<<" "<<deg[u]<<"\n";
	m1=deg[u]/2;
	m2=deg[u]-m1; n1=n2=0;
	For(i,1,n)
		if(i!=u && e[u][i]){
			if(n1<m1)d1[n1++]=i;
			else d2[n2++]=i;
		}
	For(i,0,max(n1,n2)) to11[i]=to12[i]=to22[i]=0;
	For(i,0,n1-1){
		For(j,0,n1-1) if(e[d1[i]][d1[j]]) to11[i]|=(1<<j);
		For(j,0,n2-1) if(e[d1[i]][d2[j]]) to12[i]|=(1<<j);
	}
	For(i,0,n2-1){
		For(j,0,n2-1) if(e[d2[i]][d2[j]]) to22[i]|=(1<<j);
	}
	
	s2[0]=0;
	For(s,1,(1<<n2)-1)
		s2[s]=s2[s^(s&-s)]+popc[to22[lg[s]]&s];
	s2[0]=1;
	For(s,1,(1<<n2)-1) s2[s]=(s2[s]==(popc[s]*(popc[s]-1)/2));
	For(i,0,n2-1)
		For(s,0,(1<<n2)-1)
			if(s>>i&1) s2[s]+=s2[s^(1<<i)];
	
//	cout<<"D:\n";
//	For(i,0,n1-1)cout<<d1[i]<<" ";cout<<"\n";
//	For(i,0,n2-1)cout<<d2[i]<<" ";cout<<"\n";
//	cout<<"s2 "<<s2[(1<<n2)-1]<<"\n";
	
	sta[0]=(1<<n2)-1;
	s1[0]=0;
	res+=s2[sta[0]];
//	cout<<"res "<<res.x<<"\n";
	For(s,1,(1<<n1)-1){
		s1[s]=s1[s^(s&-s)]+popc[to11[lg[s]]&s];
//		cout<<"to12 "<<s<<" "<<lg[s]<<" "<<to12[lg[s]]<<"\n";
		sta[s]=sta[s^(s&-s)]&to12[lg[s]];
		if(s1[s]==(popc[s]*(popc[s]-1)/2)) res+=s2[sta[s]];
	}
//	cout<<"Res "<<res.x<<"\n";
}

signed main()
{
//	cout<<22*(1<<22)<<"\n";
//	cerr<<(1.0*(&mbe-&med)/1024576.0)<<"\n";
	For(i,0,(1<<22)){
		if(i>=2) lg[i]=lg[i>>1]+1;
		popc[i]=popc[i>>1]+(i&1);
	}
	n=read(),m=read();
	For(i,1,m){
		int u=read(),v=read();
		++deg[u],++deg[v],e[u][v]=e[v][u]=1;
	}
	For(_,1,n){
		int u=-1;
		For(i,1,n)
			if(!vis[i] && (u==-1||deg[i]<deg[u]))u=i;
		assert(deg[u]<=44);
		work(u);
		vis[u]=1;
		For(i,1,n)
			if(e[u][i]) e[u][i]=e[i][u]=0,--deg[u],--deg[i];
	}
	cout<<res.x;
	return 0;
}
/*
3 5
3 1 5 2
4 2 1 3
1 9 100 1

*/