D23112313233313223313132322331323132333132312111133132313232212111   >>    D2311231323331322331313232233132313233313231211113313231323221211   <<    D23112313233313223313132322331323132333132312111133132313232212113   >>      D23112313233313223313132322331323132333132312111133132313232212112   >>