/*
* Project: 0x14_Hash
* File Created:Monday, January 18th 2021, 10:21:24 am
* Author: Bug-Free
* Problem:AcWing 137. 雪花雪花雪花
*/
#include <cstdio>
#include <cstring>
#include <iostream>
#include <vector>
#define ll long long
using namespace std;
const int N = 1e5 + 10, P = 1e5 + 3;
int n, a[6], b[6];
struct S {
int s[6];
};
vector<S> snow[N];
int H() { //设计Hash函数
int s = 0, k = 1;
for (int i = 0; i < 6; i++) {
(s += a[i]) %= P; //和
k = (ll)k * a[i] % P; //积
}
return (s + k) % P; // 和与积相加
}
bool judge() {
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 6; j++) {
bool v = 1;
for (int k = 0; k < 6; k++) {
if (a[(i + k) % 6] != b[(j + k % 6)]) {
v = 0;
break;
}
}
if (v) {
return true;
}
v = 1;
for (int k = 0; k < 6; k++) {
if (a[(i + k) % 6] != b[(j - k + 6) % 6]) {
v = 0;
break;
}
}
if (v) {
return true;
}
}
}
return false;
}
bool insert() {
int h = H(); //获取Hash值
for (unsigned int i = 0; i < snow[h].size(); i++) {
memcpy(b, snow[h][i].s, sizeof b);
if (judge()) {
return true;
}
}
S s;
memcpy(s.s, a, sizeof(s.s));
snow[h].push_back(s);
return 0;
}
int main() {
cin >> n;
for (int i = 1; i <= n; i++) {
for (int j = 0; j < 6; j++) {
cin >> a[j];
}
if (insert()) {
cout << "Twin snowflakes found." << endl;
return 0;
}
}
cout << "No two snowflakes are alike." << endl;
return 0;
}