(1,1) (1,2) (1,3)
(2,1) (2,2) (2,3)
default spacing
(1,1) (1,2) (1,3)
(2,1) (2,2) (2,3)
cellpadding=10
(1,1) (1,2) (1,3)
(2,1) (2,2) (2,3)
cellspacing=10