D13133313221323331323331313113313233313231322331323132213231323321   >>    D1313331322132333132333131311331323331323132233132313221323132332   <<    D13133313221323331323331313113313233313231322331323132213231323323   >>      D13133313221323331323331313113313233313231322331323132213231323322   >>