#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int a[20],b[20],sa[20],sb[20];
void work()
{
    int ans = 5;
    for(int i = ‘A‘; i <= ‘D‘; i++){
        for(int j = 1; j <= 10; j++){
            for(int k = 1; k <= 5; k++){
                sa[k] = i;
                sb[k] = j + k - 1;
                if(sb[k] == 14) sb[k] = 1;
            }
            int res = 5;
            for(int k = 1; k <= 5; k++){
                for(int l = 1; l <= 5; l++){
                    if(a[k] == sa[l] && b[k] == sb[l])
                        res--;
                }
            }
            if(res < ans) ans = res;
        }
    }
    printf("%d\n",ans);
}
int main()
{
    int T;
    scanf("%d",&T);
    while(T--){
        for(int i = 1; i <= 5; i++){
            scanf(" %c%d",&a[i],&b[i]);
        }
        work();
    }
    return 0;
}