#include<bits/stdc++.h>
#define iosy ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define pb push_back
#define int long long
using namespace std;
const int N = 2e5+10;

void solve(){
	string s;cin>>s;
	int n=s.size();
	deque<char> q;
	int ans=n;
	for(int i=0;i<n;i++){
		if(q.empty()){
			q.push_back(s[i]);
		}else{
			char c=q.back();q.pop_back();
			if(c!='2'&&s[i]!='2'&&c!=s[i]){
				q.push_back(c);
				q.push_back(s[i]);
			}
		}
	}
	ans=min(ans,(int)q.size());

	reverse(s.begin(),s.end());
	while(!q.empty())q.pop_back();
	
	for(int i=0;i<n;i++){
		if(q.empty()){
			q.push_back(s[i]);
		}else{
			char c=q.back();q.pop_back();
			if(c!='2'&&s[i]!='2'&&c!=s[i]){
				q.push_back(c);
				q.push_back(s[i]);
			}
		}
	}
	ans=min(ans,(int)q.size());
	cout<<ans<<"\n";
}

signed main(){ 
	iosy;int _=1;
	cin>>_;
	while(_--){solve();}
	return 0;
}