D1313331322132333132333131311331323331323132233132333132313231321111   >>    D131333132213233313233313131133132333132313223313233313231323132111   <<    D1313331322132333132333131311331323331323132233132333132313231321113   >>      D1313331322132333132333131311331323331323132233132333132313231321112   >>