#include using namespace std; //#pragma GCC optimize("Ofast") #define rep(i,n) for(ll i=0;i=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define pqueue(x) priority_queue,greater> #define all(x) (x).begin(),(x).end() #define CST(x) cout<> #define rev(x) reverse(x); using ll=long long; using vl=vector; using vvl=vector>; using pl=pair; using vpl=vector; using vvpl=vector; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[9]={1,0,-1,0,1,1,-1,-1,0}; const ll dx[9]={0,1,0,-1,1,-1,1,-1,0}; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } void solve(){ ll n;cin >> n; string s;cin >> s; bool ok=false; vector v(n); rep(i,n){ if(s[i]=='?')v[i]=-1; else v[i]=s[i]-'0'; } ll mask=7; rep(x,2){ rep(y,2){ if(v[n-2]==(x^1))continue; if(v[n-1]==(y^1))continue; vector nv=v; nv[n-2]=x,nv[x-1]=y; vl dp(8); dp[x*2+y]=1; rep(i,n){ vl ndp(8); rep(j,8){ if(v[i]!=1){ ndp[(j<<1)&mask]|=dp[j]; } if(v[i]!=0){ ndp[((j<<1)&mask)+1]|=dp[j]; } } ndp[7]=0;ndp[0]=0; swap(dp,ndp); } rep(i,8)if(dp[i])ok=true; } } cout << (ok? "Yes":"No") << endl; } int main(){ ll t;cin >> t; while(t--)solve(); }