D23112313233313223313132322331323331323132312111133132313232212121   >>    D2311231323331322331313232233132333132313231211113313231323221212   <<    D23112313233313223313132322331323331323132312111133132313232212123   >>      D23112313233313223313132322331323331323132312111133132313232212122   >>