D2311231323331322331313232233132322331311221123231323132313223331   >>    D231123132333132233131323223313232233131122112323132313231322333   <<    D2311231323331322331313232233132322331311221123231323132313223333   >>      D2311231323331322331313232233132322331311221123231323132313223332   >>