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#include <bits/stdc++.h>
using namespace std;

#define PII pair<int, int>
#define VI vector<int>
#define VPII vector<PII>
#define LL long long
#define LD long double
#define f first
#define s second
#define MP make_pair
#define PB push_back
#define endl '\n'
#define ALL(c) (c).begin(), (c).end()
#define SIZ(c) (int)(c).size()
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define FOR(i, b, e) for (int i = (b); i <= (int)(e); i++)
#define FORD(i, b, e) for (int i = (b); i >= (int)(e); i--)
#define ll long long
#define st f
#define nd s
#define pb PB
#define eb emplace_back
#define mp make_pair				
#define siz(c) SIZ(c)
const int inf = 1e9 + 7;
const LL INF = 1e18L + 7;
 
#define sim template<class n
sim, class s> ostream & operator << (ostream &p, pair<n, s> x)
{return p << "<" << x.f << ", " << x.s << ">";}
sim> auto operator << (ostream &p, n y) ->
typename enable_if<!is_same<n, string>::value, decltype(y.begin(), p)>::type
{int o = 0; p << "{"; for (auto c : y) {if (o++) p << ", "; p << c;} return p << "}";}
void dor() {cerr << endl;}
sim, class...s> void dor(n p, s...y) {cerr << p << " "; dor(y...);}
sim, class s> void mini(n &p, s y) {if (p > y) p = y;}
sim, class s> void maxi(n &p, s y) {if (p < y) p = y;}

#ifdef DEB
#define debug(...) dor(__FUNCTION__, ":", __LINE__, ": ", __VA_ARGS__)
#else
#define debug(...)
#endif

#define I(x) #x " = ", (x), " "
#define A(a, i) #a "[" #i " = ", i, "] = ", a[i], " "

#ifndef LOCAL
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;

template <typename T>
using ordered_set =
	tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#else
#include</Users/dawid/algo/mac/ordered_set>
#endif

const int mod = 1e9+7;
const int N = 1e4+7;

int n;

int r[3];
string s[3];

int pot[N];
int fact[N];
int inv[N];

int pref[N][2*N];

int fpow(int a, int b)
{
	int res = 1;

	while(b)
	{
		if(b&1)
			res = (ll)res*a%mod;

		a = (ll)a*a%mod;
		b /= 2;
	}

	return res;
}

int kom(int n, int k)
{
	if(k>n || k<0)
		return 0;

	return (ll)fact[n]*inv[k]%mod*inv[n-k]%mod;
}

int trzy(int x, int y, int z)
{
	int A = 0, B = 0, C = 0, D = 0;

	for(int i = 0; i < n; ++i)
	{
		if(s[x][i]==s[y][i] && s[x][i]!=s[z][i])
			++A;
		else if(s[y][i]==s[z][i] && s[x][i]!=s[y][i])
			++B;
		else if(s[x][i]==s[z][i] && s[x][i]!=s[y][i])
			++C;
		else
			++D;
	}

	for(int c = 0; c <= C; ++c)
	{
		for(int d = 0; d <= D; ++d)
		{
			int w1 = d+c;
			int w2 = d-c;

			pref[w1][w2 + N] = (ll)kom(C, c)*kom(D, d)%mod;
		} 
	}

	for(int i = 0; i < N; ++i)
	{
		for(int j = 1; j < 2*N; ++j)
		{
			pref[i][j] += pref[i][j-1];
			pref[i][j] %= mod;
		}
	}

	for(int i = 1; i < N; ++i)
	{
		for(int j = 0; j < 2*N; ++j)
		{
			pref[i][j] += pref[i-1][j];
			pref[i][j] %= mod;
		}
	}

	int ans = 0;

	for(int a = 0; a <= A; ++a)
	{
		for(int b = 0; b <= B; ++b)
		{
			int w1 = min(r[x] - a - (B-b), r[z] - (A-a) - b);
			int w2 = r[y] - a - b - C + N;

			if(w1 < 0 || w2 < 0)
				continue;

			w1 = min(w1, N-1);
			w2 = min(w2, 2*N-1);

			ans += (ll)kom(A, a)*kom(B, b)%mod*pref[w1][w2]%mod;
			ans %= mod;
		}
	}

	return ans;
}

int dwa(int x, int y)
{
	int A = 0, B = 0;

	for(int i = 0; i < n; ++i)
	{
		if(s[x][i]!=s[y][i])
			++A;
		else
			++B;
	}

	int ans = 0;

	for(int a = 0; a <= A; ++a)
	{
		for(int b = 0; b <= B; ++b)
		{
			if(a + b <= r[x] && (A-a) + b <= r[y])
			{
				ans += (ll)kom(A, a)*kom(B, b)%mod;
				ans %= mod;
			}
		} 
	}

	return ans;
}

int32_t main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(NULL);

	fact[0] = inv[0] = pot[0] = 1;

	for(int i = 1; i < N; ++i)
	{
		fact[i] = (ll)i*fact[i-1]%mod;
		inv[i] = fpow(fact[i], mod-2);
		pot[i] = 2*pot[i-1]%mod;
	}

	int ans = 0;

	cin >> n;

	for(int i = 0; i < 3; ++i)
	{
		cin >> r[i] >> s[i];

		for(int j = 0; j <= r[i]; ++j)
		{
			ans += kom(n, j);
			ans %= mod;
		}
	}

	ans -= dwa(0, 1);
	ans %= mod;
	ans -= dwa(0, 2);
	ans %= mod;
	ans -= dwa(1, 2);
	ans %= mod;
	ans += trzy(0, 1, 2);
	ans %= mod;
 
	ans += mod;
	ans %= mod;
	cout << ans << endl;
}