#include // #include using namespace std; // using namespace atcoder; #define rep(i, a, n) for(int i = a; i < n; i++) #define rrep(i, a, n) for(int i = a; i >= n; i--) #define inr(l, x, r) (l <= x && x < r) #define ll long long #define ld long double // using mint = modint1000000007; // using mint = modint998244353; constexpr int IINF = 1001001001; constexpr ll INF = 1e18; template void chmax(t&a,u b){if(a void chmin(t&a,u b){if(b> n; rep(i, 1, n+1){ if(i%2 == 1){ rep(j, 1, i+1){ if(j%3 == ((i+1)/2)%3) cout << 2 << ' '; else cout << 1 << ' '; } }else{ rep(j, 1, i+1){ if(j%3 == (i/2+2)%3) cout << 2 << ' '; else cout << 1 << ' '; } } cout << endl; } return 0; }