D1313331322132333132333131311331323331323132233132313232112311321   >>    D131333132213233313233313131133132333132313223313231323211231132   <<    D1313331322132333132333131311331323331323132233132313232112311323   >>      D1313331322132333132333131311331323331323132233132313232112311322   >>