public static void Main()
int n = int.Parse(Console.ReadLine());
for (var row = 1; row <= n; row++)
for (var col = 1; col <= n-row; col++)
for (var col = 1; col < row; col++)
for (var row = 1; row <= n-1; row++)
for (var col = 1; col <= row; col++)
for (var col = 1; col < n-row; col++)