D23112313233313223313132322331323132333132312111133132313231333111   >>    D2311231323331322331313232233132313233313231211113313231323133311   <<    D23112313233313223313132322331323132333132312111133132313231333113   >>      D23112313233313223313132322331323132333132312111133132313231333112   >>