D23112313233313223313132322331323331323132312111133132313231221   >>    D2311231323331322331313232233132333132313231211113313231323122   <<    D23112313233313223313132322331323331323132312111133132313231223   >>      D23112313233313223313132322331323331323132312111133132313231222   >>