C1311213331333132332133313331333133313331333132313331322211123231   >>    C131121333133313233213331333133313331333133313231333132221112323   <<    C1311213331333132332133313331333133313331333132313331322211123233   >>      C1311213331333132332133313331333133313331333132313331322211123232   >>