D23112313233313223313132322331323132333132312111133132213231111   >>    D2311231323331322331313232233132313233313231211113313221323111   <<    D23112313233313223313132322331323132333132312111133132213231113   >>      D23112313233313223313132322331323132333132312111133132213231112   >>