D23112313233313223313132322331323132313232211331323331323132333221   >>    D2311231323331322331313232233132313231323221133132333132313233322   <<    D23112313233313223313132322331323132313232211331323331323132333223   >>      D23112313233313223313132322331323132313232211331323331323132333222   >>