#include using namespace std; #include using namespace atcoder; using ll = long long; using vll = vector; using vvll = vector; using vvvll = vector; #define all(A) A.begin(),A.end() #define rep(i, n) for (ll i = 0; i < (ll) (n); i++) template bool chmax(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p < q) { p = q; return 1; } else { return 0; } } template bool chmin(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p > q) { p = q; return 1; } else { return 0; } } ll modPow(long long a, long long n, long long p) { if (n == 0) return 1; // 0乗にも対応する場合 if (n == 1) return a % p; if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p; long long t = modPow(a, n / 2, p); return (t * t) % p; } ll gcd(ll(a), ll(b)) { if (a == 0)return b; if (b == 0)return a; ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } ll sqrtz(ll N) { ll L = 0; ll R = sqrt(N) + 10000; while (abs(R - L) > 1) { ll mid = (R + L) / 2; if (mid * mid <= N)L = mid; else R = mid; } return L; } using mint =ll; using vm = vector; using vvm = vector; using vvvm = vector; /* vector fact, factinv, inv; const ll mod = 1e9 + 7; void prenCkModp(ll n) { fact.resize(n + 5); factinv.resize(n + 5); inv.resize(n + 5); fact[0] = fact[1] = 1; factinv[0] = factinv[1] = 1; inv[1] = 1; for (ll i = 2; i < n + 5; i++) { fact[i] = (fact[i - 1] * i) % mod; inv[i] = ((mod - ((inv[mod % i] * (mod / i))) % mod) + mod) % mod; factinv[i] = (factinv[i - 1] * inv[i]) % mod; } } ll nCk(ll n, ll k) { if (n < k || k < 0) return 0; return (fact[n] * ((factinv[k] * factinv[n - k]) % mod)) % mod; } */ bool DEBUG = 0; const ll mod=2; ll inva(ll N) { ll a = N, b = mod, c = 1, d = 0; while (b > 0) { ll t = a / b; a -= t * b; swap(a, b); c -= t * d; swap(c, d); } c %= mod; if (c < 0)c += mod; return c; } ll swaptimes = 0; void qtrimatrix(vvll& D) { ll N = D.size(); for (int i = 0; i < N; i++) { for (ll j = i; j < N; j++) { if (D[j][i] != 0) { swap(D[i], D[j]); if (i != j)swaptimes = 1 - swaptimes; break; } } for (ll j = i + 1; j < N; j++) { if (D[i][i] == 0)continue; ll d = inva(D[i][i]); d *= D[j][i]; d %= mod; for (ll k = N-1; k>=i; k--) { D[j][k] -= (D[i][k] * d) % mod; D[j][k] += mod; D[j][k] %= mod; } } } return; } ll detmatrix(vvll& D) { qtrimatrix(D); ll N = D.size(); ll res = 1; for (int i = 0; i < N; i++) { res = (res * D[i][i]) % mod; } if (swaptimes == 1) { res *= -1; res += mod; } return res%mod; } vvll C(vvll A){ ll AN=A.size(); bool CH=0; if(AN==1){ if(A[0][0]==-1){ A[0][0]=1; } return A; } vvll res(AN-1,vll(AN-1)); rep(i,AN){ rep(j,AN){ if(A[i][j]==-1){ rep(p,AN-1)rep(q,AN-1)res[p][q]=A[p+(p>=i)][q+(q>=j)]; CH=1; } } } if(!CH){ return A; } else{ return C(res); } } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll T; cin >> T; rep(t, T) { ll N, P; cin >> N >> P; ll S = (P == 2 ? 1 : 0); vvm A(N, vm(N)); vll D(N, 0), E(N, 0); bool OK = 1; vvll AA(N, vll(N,0)); rep(i, N)rep(j, N) { ll a; cin >> a; A[i][j]=a; if (a == -1){ D[i]++; E[j]++; if(D[i]>1||E[j]>1)OK=0; } } if(!OK||P!=2){ cout<<0<