D23112313233313223313132322331323132313223313221131323132323331   >>    D2311231323331322331313232233132313231322331322113132313232333   <<    D23112313233313223313132322331323132313223313221131323132323333   >>      D23112313233313223313132322331323132313223313221131323132323332   >>