#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main()
{

    ll t,  n,  time,  tot=0 ;
    char ch ;
    cin >> t ;
    while(t--)
    {
        cin >> n ;
        ll a[5]= {0},b[5]= {0},c[5]= {0},d[5]= {0};
        memset(a,0,sizeof a);
        memset(b,0,sizeof b);
        memset(b,0,sizeof b);
        memset(b,0,sizeof b);
        ll sum =0,mx = INT_MIN;
        for(int i=0 ; i<n ; i++)
        {
            cin >> ch >> time;
            if(time ==12)
                a[ch-'A']++;
            if(time ==3)
                b[ch-'A']++;
            if(time ==6)
                c[ch-'A']++;
            if(time ==9)
                d[ch-'A']++;
        }
        // for(int i=0 ; i<4 ; i++)cout << a[i]<<" "<<b[i]<<" "<<c[i]<<" "<<d[i]<<endl;
        for(int i=0 ; i<4 ; i++)
        {

            for(int j=0 ; j<4 ; j++)
            {

                for(int k=0 ; k<4 ; k++)
                {

                    for(int l=0 ; l<4 ; l++)
                    {

                        ll mx1=0,mx2=0,mx3=0,mx4=0;

                        if(a[i])
                        {
                            mx1+=(a[i]*100);
                            mx2+=(a[i]*75);
                            mx3+=(a[i]*50);
                            mx4+=(a[i]*25);
                        }
                        else
                        {
                            mx1-=100;
                            mx2-=100;
                            mx3-=100;
                            mx4-=100;
                        }
                        if(b[j])
                        {
                            mx1+=(b[j]*75);
                            mx2+=(b[j]*50);
                            mx3+=(b[j]*25);
                            mx4+=(b[j]*100);
                        }
                        else
                        {
                            mx1-=100;
                            mx2-=100;
                            mx3-=100;
                            mx4-=100;
                        }
                        if(c[k])
                        {
                            mx1+=(c[k]*50);
                            mx2+=(c[k]*25);
                            mx3+=(c[k]*100);
                            mx4+=(c[k]*75);
                        }
                        else
                        {
                            mx1-=100;
                            mx2-=100;
                            mx3-=100;
                            mx4-=100;
                        }

                        if(d[l])
                        {
                            mx1+=(d[l]*25);
                            mx2+=(d[l]*100);
                            mx3+=(d[l]*75);
                            mx4+=(d[l]*50);
                        }
                        else
                        {
                            mx1-=100;
                            mx2-=100;
                            mx3-=100;
                            mx4-=100;
                        }
                        //cout <<mx1<<" "<<mx2<<" "<<mx3<<" "<<mx4<<endl;
                        mx =max(mx,max(mx1,max(mx2,max(mx3,mx4))))  ;
                        //cout<<mx<<endl;


                    }
                }
            }

        }
        cout<<mx<<endl;
        tot+=mx;
        cerr<<"-------\n";
    }
    cout<<tot<<endl;


}