D13133313221323331323331313113313233313231322331323221313231111   >>    D1313331322132333132333131311331323331323132233132322131323111   <<    D13133313221323331323331313113313233313231322331323221313231113   >>      D13133313221323331323331313113313233313231322331323221313231112   >>