Related Clues:

• Number after 'due'
• Due tripled
• Blue whale's kin
• "Uno e due"
• Mid-afternoon hour, in Italy
• Tre x due
• Six, in Italy
• Half of 20-across
• Due times tre
• Jailed Earth Liberation Front activist Arrow
• Humpback's kin
• Six, in Milan
• More than due, fewer than quattro
• Sette minus quattro
• Number past due