D13231212111133131323123231323223313231333131322331323233232311   >>    D1323121211113313132312323132322331323133313132233132323323231   <<    D13231212111133131323123231323223313231333131322331323233232313   >>      D13231212111133131323123231323223313231333131322331323233232312   >>