D23112313233313223313132322331323331323123231323132313232211331   >>    D2311231323331322331313232233132333132312323132313231323221133   <<    D23112313233313223313132322331323331323123231323132313232211333   >>      D23112313233313223313132322331323331323123231323132313232211332   >>