Layout: left center righttable-borderstable-titles
Area 1 - Row 1 - Col 1Area 1 - Row 1 - Col 2
Area 1 - Row 2 - Col 1Area 1 - Row 2 - Col 2
Area 2 - Row 1
Area 2 - Row 2
Area 2 - Row 3
Area 2 - Row 4
Area 3 - Row 1
Area 3 - Row 2
Area 3 - Row 3
Area 4 - Row 1
Area 4 - Row 2
Area 5 - Row 1
Area 5 - Row 2
Area 5 - Row 3


var_export: 
global-layout: '1,2,3,4,5'

layout-array (for debugging):
array (
  0 => '1',
  1 => '2',
  2 => '3',
  3 => '4',
  4 => '5',
)