C1311213331333132332133313331333133313331333132313331311223312111133232223131   >>    C131121333133313233213331333133313331333133313231333131122331211113323222313   <<    C1311213331333132332133313331333133313331333132313331311223312111133232223133   >>      C1311213331333132332133313331333133313331333132313331311223312111133232223132   >>