use std::io::Write; const A: [[usize; 4]; 4] = [[7, 14, 0, 8], [4, 12, 2, 11], [15, 9, 6, 1], [13, 10, 5, 3]]; fn dfs(x: usize, y: usize, d: usize, ans: &mut [Vec], val: &mut usize, v: usize) { if d == 2 { if v == 0 { for i in 0..4 { for j in 0..4 { ans[x + i][y + j] = *val; *val += 1; } } } else { for (i, a) in A.iter().enumerate() { for (j, a) in a.iter().enumerate() { ans[x + i][y + j] = *a + *val; } } *val += 16; } return; } let m = 1 << (d - 1); dfs(x, y, d - 1, ans, val, v & 1); dfs(x + m, y, d - 1, ans, val, 0); dfs(x, y + m, d - 1, ans, val, 0); dfs(x + m, y + m, d - 1, ans, val, v & 1); } fn run() { input!(n: usize); if n == 1 { println!("-1"); return; } let mut ans = vec![vec![0; 1 << n]; 1 << n]; dfs(0, 0, n, &mut ans, &mut 0, 1); let out = std::io::stdout(); let mut out = std::io::BufWriter::new(out.lock()); for a in ans { use util::*; writeln!(out, "{}", a.iter().join(" ")).ok(); } } fn main() { run(); } // ---------- begin input macro ---------- // reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8 #[macro_export] macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; ($($r:tt)*) => { let s = { use std::io::Read; let mut s = String::new(); std::io::stdin().read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } #[macro_export] macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } #[macro_export] macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::>() }; ($iter:expr, bytes) => { read_value!($iter, String).bytes().collect::>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } // ---------- end input macro ---------- mod util { pub trait Join { fn join(self, sep: &str) -> String; } impl Join for I where I: Iterator, T: std::fmt::Display, { fn join(self, sep: &str) -> String { let mut s = String::new(); use std::fmt::*; for (i, v) in self.enumerate() { if i > 0 { write!(&mut s, "{}", sep).ok(); } write!(&mut s, "{}", v).ok(); } s } } }