public static void Main()
int[,,] arr3d1 = new int[1, 2, 2]{
int[,,] arr3d2 = new int[2, 2, 2]{
int[,,] arr3d3 = new int[2, 2, 3]{
{{7, 8, 9}, {10, 11, 12}}
Console.WriteLine("arr3d2 Values");
Console.WriteLine(arr3d2[0, 0, 0]);
Console.WriteLine(arr3d2[0, 0, 1]);
Console.WriteLine(arr3d2[0, 1, 0]);
Console.WriteLine(arr3d2[0, 1, 1]);
Console.WriteLine(arr3d2[1, 0, 0]);
Console.WriteLine(arr3d2[1, 0, 1]);
Console.WriteLine(arr3d2[1, 1, 0]);
Console.WriteLine(arr3d2[1, 1, 1]);