$tab_contents[right]
$tab_contents[left]
$tab_contents[left_a]
$tab_contents[left_b]
$tab_contents[last]
$tab_contents[none] $tab_contents[body]
$tab_contents[bottom_r] $tab_contents[bot_r]
$tab_contents[bot_l] $tab_contents[bottom_l]
$tab_contents[bottom]
$tab_contents[sub_table] $tab_contents2[sub_table]