D1313331322132333132333131311331323331323132233132313232112323321   >>    D131333132213233313233313131133132333132313223313231323211232332   <<    D1313331322132333132333131311331323331323132233132313232112323323   >>      D1313331322132333132333131311331323331323132233132313232112323322   >>