MSDN C# Arrays tutorial

MSDN C# Arrays tutorial

I'm learning C# array syntax from the MSDN tutorial. It has this code:
// Array-of-arrays (jagged array)
byte[][] scores = new byte[5][];
// Create the jagged array
for (int i = 0; i < scores.Length; i++)
{
scores[i] = new byte[i + 3];
}
// Print length of each row
for (int i = 0; i < scores.Length; i++)
{
Console.WriteLine("Length of row {0} is {1}", i,
scores[i].Length);
Console.ReadLine();
}
And says the output is:
Length of row 0 is 3
Length of row 1 is 4
Length of row 2 is 5
Length of row 3 is 6
Length of row 4 is 7
I have copy pasted the code into the main method of a console application
and my console output is:
Length of row 0 is 3
Anyone know why my output is different?
Thanks