(undef, undef):	
(0, undef):	
(1, undef):	$cookies{"rows"}->value
(0but, undef):	$cookies{"rows"}->value
(undef, 0):	0
(undef, 1):	param( "rows" )
(undef, 11):	param( "rows" )
(undef, 111):	5
(undef, 0but):	5
(0, 0):	0
(1, 1):	1