D13231212111133131323123231323223313233313232212132313232213221   >>    D1323121211113313132312323132322331323331323221213231323221322   <<    D13231212111133131323123231323223313233313232212132313232213223   >>      D13231212111133131323123231323223313233313232212132313232213222   >>