// clang-format off
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
using namespace std;
template<class Fun>
class y_combinator_result {
    Fun fun_;
public:
    template<class T> explicit y_combinator_result(T &&fun): fun_(forward<T>(fun)) {}
    template<class ...Args> decltype(auto) operator()(Args &&...args) { return fun_(ref(*this), forward<Args>(args)...); }
};
template<class Fun> decltype(auto) y_combinator(Fun &&fun) { return y_combinator_result<decay_t<Fun>>(forward<Fun>(fun)); }
// using namespace __gnu_pbds;
// template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef XOX
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; }
sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; }
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
struct { template <class T> operator T() { T x; cin >> x; return x; } } in;
#define endl '\n'
#define pb emplace_back
#define vt vector
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
using i64 = long long;
// clang-format on

void solve() {
    int n;
    cin >> n;
    vector<pair<string, string>> names(n);
    for (auto &[a, b] : names) {
        cin >> a >> b;
    }
    int minsum = INT_MAX;
    int ra, rb, rc;
    auto mypow=[&](int x, int y) {
        int r=1;
        while(y--){
            r*=x;
        }
        return r;
    };
    for(int a=0;a<=6;a++){
        for(int b=0;b<=6;b++){
            for(int c=0;c<=6;c++){
                map<pair<string, string>, int> new_names;
                for(auto [x, y] : names) {
                    new_names[{x.substr(0,min(a, sz(x))), y.substr(0,min(b,sz(y)))}]++;
                }
                if(a==0&&b==0)
                    debug() << imie(new_names);
                int ans = 0;
                for(auto [_, x] : new_names) {
                    ans=max(ans, x);
                }
                if(ans < mypow(10, c) && a+b+c<minsum){
                    minsum=a+b+c;
                    ra=a;
                    rb=b;
                    rc=c;
                }
            }
        }
    }
    cout << ra << " " << rb << " " << rc << endl;
}

int32_t main() {
    cin.tie(0)->sync_with_stdio(0);
    // int t = 1;
    int t = in;
    while (t--) {
        solve();
    }
}