#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define REP(i,s,n) for(int i=(int)(s);i<(int)(n);i++) using namespace std; typedef long long int ll; typedef vector VI; typedef vector VL; typedef pair PI; const ll mod = 1e9 + 7; vector odd(int n) { vector tbl(n, VI(n, -100)); REP(i, 0, n) { int x = (2 * i) % n; int y = (n / 2 - i + n) % n; REP(j, 0, n) { tbl[(x - j + n) % n][(y + j) % n] = 1 + n * i + j; } } return tbl; } vector multiple4(int n) { vector tbl(n, VI(n, -100)); REP(i, 0, n) { REP(j, 0, n) { int a = i & 3; int b = j & 3; if (0x9669 & 1 << (4 * a + b)) { // on a diagonal tbl[i][j] = 1 + i * n + j; } else { tbl[n - 1 - i][n - 1 - j] = 1 + i * n + j; } } } return tbl; } vector rest(int n) { vector sub = odd(n / 2); int l[2][2] = { {0, -3}, {-2, -1}}; int u[2][2] = { {-3, 0}, {-2, -1}}; int x[2][2] = { {-3, 0}, {-1, -2}}; int(* mat[3])[2] = {l, u, x}; vector > pow(n / 2, VI(n / 2)); int m = n / 4; // n / 2 = 2m + 1 REP(i, 0, m + 1) { REP(j, 0, n / 2) { pow[i][j] = 0; } } REP(j, 0, n / 2) { pow[m + 1][j] = 1; } REP(i, m + 2, n / 2) { REP(j, 0, n / 2) { pow[i][j] = 2; } } swap(pow[m][m], pow[m + 1][m]); vector tbl(n, VI(n)); REP(i, 0, n / 2) { REP(j, 0, n / 2) { REP(k, 0, 2) { REP(p, 0, 2) { tbl[2 * i + k][2 * j + p] = 4 * sub[i][j] + mat[pow[i][j]][k][p]; } } } } return tbl; } int main(void){ int n; cin >> n; vector tbl; if (n % 2 == 1) { tbl = odd(n); } else if (n % 4 == 0) { tbl = multiple4(n); } else { tbl = rest(n); } REP(i, 0, n) { REP(j, 0, n) { cout << tbl[i][j] << (j == n - 1 ? "\n" : " "); } } }