#include #include #include using namespace std; //using namespace __gnu_pbds; using ll = long long; using i128 = __int128; using db = double; using ld = long double; #define int ll #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") const int INF=LLONG_MAX/4; const int MOD=998244353; random_device rd; mt19937_64 gen(rd()); void pre_do(){ } void solve(){ int n; cin >> n; vector> a1(n), a2(n), a3(n); int s1, s2, s3; s1 = s2 = s3 = 4; a1[0] = {1}; a1[1] = {2, 1}; a2[0] = {1}; a2[1] = {1, 2}; a3[0] = {2}; a3[1] = {1, 1}; for(int i=2;i> t; while(t--){ solve(); } //cout << "FINISH\n"; }