D2311231323331322331313232233132313231322331322113132313231323132333221   >>    D231123132333132233131323223313231323132233132211313231323132313233322   <<    D2311231323331322331313232233132313231322331322113132313231323132333223   >>      D2311231323331322331313232233132313231322331322113132313231323132333222   >>