#include<bits/stdc++.h>
#ifdef LOCAL
#define debug(...) printf(__VA_ARGS__)
#define edebug(...) fprintf(stderr, __VA_ARGS__)
#else
#define debug(...)
#define edebug(...)
#endif
#define int ll
#define rep(i, x, y) for(int i = x; i <= y; ++i)
#define nrep(i, x, y) for(int i = x; i >= y; --i)
#define ll long long
#define pii std::pair<int,int>
#define pb emplace_back
#define fi first
#define se second
template <class T> 
inline void ckmax(T &a, T b) {
  if(a < b) a = b;
}
template <class T> 
inline void ckmin(T &a, T b) {
  if(a > b) a = b;
}
auto rt_YES = []{puts("YES");};
auto rt_Yes = []{puts("Yes");};
auto rt_NO = []{puts("NO");};
auto rt_No = []{puts("No");};
namespace IO {
#define isdigit(x) (x >= '0' && x <= '9')
  inline char gc() {
    return getchar();
  }
  inline bool blank(char ch) {
    return ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t';
  }
  template <class T>
  inline void read(T &x) {
    double tmp = 1;
    bool sign = 0;
    x = 0;
    char ch = gc();
    for(; !isdigit(ch); ch = gc())
      if(ch == '-') sign = 1;
    for(; isdigit(ch); ch = gc())
      x = x * 10 + (ch - '0');
    if(ch == '.')
      for(ch = gc(); isdigit(ch); ch = gc())
        tmp /= 10.0, x += tmp * (ch - '0');
    if(sign) x = -x;
  }
  inline void read(char *s) {
    char ch = gc();
    for(; blank(ch); ch = gc());
    for(; !blank(ch); ch = gc())
      *s++ = ch;
    *s = 0;
  }
  inline void read(char &c) {
    for(c = gc(); blank(c); c = gc());
  }
  inline void push(const char &c) {
    putchar(c);
  }
  template <class T>
  inline void print(T x) {
    if(x < 0) {
      x = -x;
      push('-');
    }
    static T sta[35];
    T top = 0;
    do {
      sta[top++] = x % 10;
      x /= 10;
    } while(x);
    while(top)
      push(sta[--top] + '0');
  }
  template <class T>
  inline void print(T x, char lastChar) {
    print(x);
    push(lastChar);
  }
}
using namespace IO;

// std::stack<int>s;
char S[500010];
int l1,r1,l2,r2,e;
void solve(){
  int n,t=0;
  scanf("%s",S);n=strlen(S);
  e=1;  
  l1=r1=l2=r2=-1;
  rep(i,0,n-1){
    int a=S[i]-'0';
    int L1=-1,R1=-1,L2=-1,R2=-1,E=-1;
    
    if(a==2){
      if(l1>0)L2=l1-1,R2=r1+1;
      if(l2>0)L1=l2-1,R1=r2+1;
      if(L1==0||L2==0)E=1;
      if(L1==0)L1=2;
      if(L2==0)L2=2;
      if(e==1&&l2<0)L1=R1=1;
      if(e==1&&l1<0)L2=R2=1;
    }
    else if(a==1){
      if(l1>0){
        L2=l1-1,R2=r1-1;
        if(L2==0)E=1,ckmax(L2,2ll);
        if(R2==0)L2=R2=-1;
      }
      if(e==1){
        L1=R1=1;
      }
      if(l2>0){
        ckmin(L1,l2+1);
        ckmax(R1,r2+1);
      }
    }
    else{
      if(l2>0){
        L1=l2-1,R1=r2-1;
        if(L1==0)E=1,ckmax(L1,2ll);
        if(R1==0)L1=R1=-1;
      }
      if(e==1){
        L2=R2=1;
      }
      if(l1>0){
        ckmin(L2,l1+1);
        ckmax(R2,r1+1);
      }
    }
    l1=L1,r1=R1,l2=L2,r2=R2,e=E;
    debug("%lld %lld %lld %lld %lld\n",l1,r1,l2,r2,e);
  }
  int ans=1e9;
  if(e==1)ans=0;
  if(l1>0)ckmin(ans,l1);
  if(l2>0)ckmin(ans,l2);
  print(ans,'\n');
  // for(int i:a)debug("%lld ",i);debug("\n");

}

signed main() {
  clock_t c1 = clock();
#ifdef LOCAL
  freopen("in.in", "r", stdin);
  freopen("out.out", "w", stdout);
#endif
//------------------------------------------------------------------

  int t;read(t);while(t--)solve();  

//------------------------------------------------------------------
end:
  std::cerr << "Time : " << clock() - c1 << " ms" << std::endl;
  return 0;
}