D1313331322132333132333131311331323331323132233132333132311123221   >>    D131333132213233313233313131133132333132313223313233313231112322   <<    D1313331322132333132333131311331323331323132233132333132311123223   >>      D1313331322132333132333131311331323331323132233132333132311123222   >>