#include <bits/stdc++.h>
using namespace std;
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename T, typename V>
void __print(const pair<T, V> &x) {
  cerr << '{';
  __print(x.first);
  cerr << ',';
  __print(x.second);
  cerr << '}';
}
template <typename T>
void __print(const T &x) {
  int f = 0;
  cerr << '{';
  for (auto &i : x) cerr << (f++ ? "," : ""), __print(i);
  cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V>
void _print(T t, V... v) {
  __print(t);
  if (sizeof...(v)) cerr << ", ";
  _print(v...);
}
void file_io() {
  freopen("ride.in", "r", stdin);
  freopen("ride.out", "w", stdout);
}
const int V = int(2e5);
const int INF = int(2e9);
void run_case() {
  int n, k;
  cin >> n >> k;
  string s;
  cin >> s;
  int zer = 0, one = 0;
  bool chk = true;
  for (int i = 0; i < k; ++i) {
    int tmp = -1;
    for (int j = i; j < n; j += k) {
      if (s[j] == '?') continue;
      if (tmp != -1 && s[j] - '0' != tmp) {
        chk = false;
        break;
      }
      tmp = s[j] - '0';
    }
    if (tmp != -1) {
      (tmp == 0 ? zer : one)++;
    }
  }
  if (max(zer, one) > k / 2) chk = false;
  cout << (chk ? "YES" : "NO") << "\n";
}
int main() {
  int t;
  cin >> t;
  while (t--) run_case();
}
