The following table uses cellpadding of 2.
OneTwoThreeFour
A1A2A3A4
B1B2B3B4
C1C2C3C4
D1D2D3D4

The following table uses cellpadding of 15.
OneTwoThreeFour
A1A2A3A4
B1B2B3B4
C1C2C3C4
D1D2D3D4