D233313133313221323132333131313231322331323331323323133313221321   >>    D23331313331322132313233313131323132233132333132332313331322132   <<    D233313133313221323132333131313231322331323331323323133313221323   >>      D233313133313221323132333131313231322331323331323323133313221322   >>