#include <iostream>
#include <string>
using namespace std;

int main()
{
	int t;
	cin >> t;
	while (t--) {
		int ans = 0;
		int n;
		cin >> n;
		int a[n];
		for (int i = 0; i < n; i++) {
			cin >> a[i];
		}

		for (int i = 0; i < n; i++) {
			if (a[i] != 2) {
				ans++;
			}
		}
		cout << ans << endl;
	}
}