#include using namespace std ; #define fast_input_output ios::sync_with_stdio(false); cin.tie(nullptr); // #pragma GCC target("avx2") // #pragma GCC optimize("O3") #pragma GCC target("avx") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") typedef long long ll ; typedef long double ld ; typedef pair P ; typedef tuple TP ; #define chmin(a,b) a = min(a,b) #define chmax(a,b) a = max(a,b) #define bit_count(x) __builtin_popcountll(x) #define gcd(a,b) __gcd(a,b) #define lcm(a,b) a / gcd(a,b) * b #define rep(i,n) for(int i = 0 ; i < n ; i++) #define rrep(i,a,b) for(int i = a ; i < b ; i++) #define repi(it,S) for(auto it = S.begin() ; it != S.end() ; it++) #define pt(a) cout << a << endl #define DEBUG(...) ; cout << #__VA_ARGS__ << endl ; for(auto x : {__VA_ARGS__}) cout << x << " " ; cout << endl ; #define DEBUG_LIST(...) cout << #__VA_ARGS__ << endl ; DEBUG_REP(__VA_ARGS__) ; #define DEBUG_REP(V) cout << "{ " ; repi(itr,V) cout << *itr << ", " ; cout << "}" << endl ; #define debug(a) cout << #a << " " << a << endl #define all(a) a.begin(), a.end() #define endl "\n" int n; int res[2020][2020]; void f(int x, int y, int cnt, int &val){ if(cnt == 0) return; rrep(i,x,x+cnt) rrep(j,y,y+cnt) res[i][j] = val, val += 2; if(cnt == 1) res[x+1][y+1] = val, val += 2; f(x+cnt,y,cnt/2, val); f(x,y+cnt,cnt/2, val); } int main(){ fast_input_output cin >> n; if(n == 1){ cout << -1 << endl; return 0; } set st; rep(i,1<<(2*n)) if(i % 2 == 0) st.insert(i); int val = 1; f(0,0,(1<<(n-1)),val); rep(i,1< 0) { cout << res[i][j] << " "; } else{ auto it = st.begin(); int a = *it; st.erase(it); cout << a << " "; } } cout << endl; } }