D132312121111331313231232313232233132313331313223313232213231322321   >>    D13231212111133131323123231323223313231333131322331323221323132232   <<    D132312121111331313231232313232233132313331313223313232213231322323   >>      D132312121111331313231232313232233132313331313223313232213231322322   >>