// Slower C++ solution:
#include<iostream>

#include<string>

#include<cstdio>

#include<vector>

#include<cmath>

#include<algorithm>

#include<functional>

#include<iomanip>

#include<queue>

#include<ciso646>

#include<random>

#include<map>

#include<set>

#include<bitset>

#include<stack>

#include<unordered_map>

#include<utility>

#include<cassert>

#include<complex>

#include<numeric>

using namespace std;



//#define int long long

typedef long long ll;



typedef unsigned long long ul;

typedef unsigned int ui;

constexpr ll mod = 1000000007;

const ll INF = mod * mod;

typedef pair<int, int>P;

#define stop char nyaa;cin>>nyaa;

#define rep(i,n) for(int i=0;i<n;i++)

#define per(i,n) for(int i=n-1;i>=0;i--)

#define Rep(i,sta,n) for(int i=sta;i<n;i++)

#define rep1(i,n) for(int i=1;i<=n;i++)

#define per1(i,n) for(int i=n;i>=1;i--)

#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)

#define all(v) (v).begin(),(v).end()

typedef pair<ll, ll> LP;

typedef long double ld;

typedef pair<ld, ld> LDP;

const ld eps = 1e-12;

const ld pi = acos(-1.0);





struct modint {

	ll n;

	modint() :n(0) { ; }

	modint(ll m) :n(m) {

		if (n >= mod)n %= mod;

		else if (n < 0)n = (n%mod + mod) % mod;

	}

	operator int() { return n; }

};

bool operator==(modint a, modint b) { return a.n == b.n; }

modint operator+=(modint &a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; }

modint operator-=(modint &a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; }

modint operator*=(modint &a, modint b) { a.n = ((ll)a.n*b.n) % mod; return a; }

modint operator+(modint a, modint b) { return a += b; }

modint operator-(modint a, modint b) { return a -= b; }

modint operator*(modint a, modint b) { return a *= b; }

modint operator^(modint a, int n) {

	if (n == 0)return modint(1);

	modint res = (a*a) ^ (n / 2);

	if (n % 2)res = res * a;

	return res;

}



ll inv(ll a, ll p) {

	return (a == 1 ? 1 : (1 - p * inv(p%a, a)) / a + p);

}

modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }



const int max_n = 1 << 19;

modint fact[max_n], factinv[max_n];

void init_f() {

	fact[0] = modint(1);

	for (int i = 0; i < max_n - 1; i++) {

		fact[i + 1] = fact[i] * modint(i + 1);

	}

	factinv[max_n - 1] = modint(1) / fact[max_n - 1];

	for (int i = max_n - 2; i >= 0; i--) {

		factinv[i] = factinv[i + 1] * modint(i + 1);

	}

}

modint comb(int a, int b) {

	if (a < 0 || b < 0 || a < b)return 0;

	return fact[a] * factinv[b] * factinv[a - b];

}



typedef vector<int> vec;

typedef vector<vec> mat;

//bit.ver

//rankを返す

int Gaussian_elimination(mat &A) {

	if (A.empty())return 0;

	int n = A.size(); int m = A[0].size();

	int le = 0;

	rep(j, m) {

		Rep(i, le, n) {

			if (A[i][j]) {

				swap(A[le], A[i]);

				Rep(i2, le + 1, n) {

					if (A[i2][j]) {

						rep(k, m) {

							A[i2][k] ^= A[le][k];

						}

					}

				}

				le++; break;

			}

		}

	}

	return le;

}



bool can(mat &A, vec v) {

	int n = A.size();

	rep(j, 60) {

		if (v[j] == 0)continue;

		per(i, n) {

			if (A[i][j]) {

				rep(k, 60) {

					v[k] ^= A[i][k];

				}

				break;

			}

		}

	}

	rep(j, 60)if (v[j])return false;

	return true;

}

void solve() {

	int n; cin >> n;

	vector<ll> a(n);

	rep(i, n)cin >> a[i];

	string s; cin >> s;

	mat A;

	per(i, n) {

		vec c(60,0);

		rep(j, 60) {

			if (a[i] & (1ll << j))c[j] = 1;

		}

		if (s[i] == '0') {

			A.push_back(c);

		}

		else {

			Gaussian_elimination(A);

			if (!can(A, c)) {

				cout << 1 << "\n"; return;

			}

		}

	}

	cout << 0 << "\n";

}





signed main() {

	ios::sync_with_stdio(false);

	cin.tie(0);

	//cout << fixed << setprecision(10);

	//init_f();

	//init();

	int t; cin >> t;rep(i,t)

	solve();

	stop

		return 0;

}


// Faster C++ solution for the same problem (measured speedup: 9.987558222081843x):
#include <bits/stdc++.h>



using namespace std;

typedef long long ll;

const int N = 210;

int _w;



int n;

ll a[N];

char s[N];



namespace Basis {

	ll b[62];

	void init() {

		memset(b, 0, sizeof b);

	}

	void insert( ll x ) {

		for( ll i = 61; i >= 0; --i )

			if( x & (1LL << i) ) {

				if( b[i] ) x ^= b[i];

				else {

					b[i] = x;

					break;

				}

			}

	}

	bool check( ll x ) {

		for( ll i = 61; i >= 0; --i )

			if( x & (1LL << i) ) {

				if( b[i] ) x ^= b[i];

				else return false;

			}

		return x == 0;

	}

}



int main() {

	int T;

	_w = scanf( "%d", &T );

	while( T-- ) {

		_w = scanf( "%d", &n );

		for( int i = 1; i <= n; ++i )

			_w = scanf( "%lld", a+i );

		_w = scanf( "%s", s+1 );

		Basis::init();

		bool flag = true;

		for( int i = n; i >= 1; --i )

			if( s[i] == '0' ) {

				Basis::insert( a[i] );

			} else {

				if( Basis::check( a[i] ) == false ) {

					flag = false;

					break;

				}

			}

		puts( flag ? "0" : "1" );

	}

	return 0;

}