D23112313233313223313132322331323331323132312111133132313231323221231   >>    D2311231323331322331313232233132333132313231211113313231323132322123   <<    D23112313233313223313132322331323331323132312111133132313231323221233   >>      D23112313233313223313132322331323331323132312111133132313231323221232   >>