D23112313233313223313132322331323132322331321123231323132313232221   >>    D2311231323331322331313232233132313232233132112323132313231323222   <<    D23112313233313223313132322331323132322331321123231323132313232223   >>      D23112313233313223313132322331323132322331321123231323132313232222   >>