#include <bits/stdc++.h> using namespace std; #define ll long long const ll mmod = 998244353; #define vl vector<long long> #define vll vector<vector<long long>> #define pl pair<long long, long long> #define vb vector<bool> int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); ll n; cin >> n; ll a; for (ll i = 0; i < n-1; i++) cin >> a; for (ll i = 0; i < n-1; i++){ for (ll j = n-i; j <= n; j++){ cout << (i)%3+1 << " "; } cout << "\n"; } return 0; }