All the explanation for this example is in the source code.

Row 1 Cell 1 Row 1 Cell 2 Row 1 Cell 3
Row 2 Cell 1 Row 2 Cell 2 Row 2 Cell 3


Header Cell 1 Header Cell 2
Row 1 Cell 1 Row 1 Cell 2
Row 2 Cell 1 Row 2 Cell 2


Row 1 Cell 1 Row 1 Cell 2 Row 1 Cell 3
Row 2 Cell 1 Row 2 Cell 2