D1313331322132333132333131311331323331323132233132333131323222311   >>    D131333132213233313233313131133132333132313223313233313132322231   <<    D1313331322132333132333131311331323331323132233132333131323222313   >>      D1313331322132333132333131311331323331323132233132333131323222312   >>