CSS Writing Modes Test: vertical-lr - table rows progression and rowspan

AAA B C DDD	EE F G H	JJ TT UU
KKK L M NNN	OO Q R SS	JJ TT UU
VVV W X Y	a b c dd q r s tt	e f g hh
jjj k m n	a b c dd q r s tt	u v w xx