D23112313233313223313132322331323132313232211331323331323132221   >>    D2311231323331322331313232233132313231323221133132333132313222   <<    D23112313233313223313132322331323132313232211331323331323132223   >>      D23112313233313223313132322331323132313232211331323331323132222   >>