C1311213331333132332133313331333133313331333133313331333132313331211331   >>    C131121333133313233213331333133313331333133313331333133313231333121133   <<    C1311213331333132332133313331333133313331333133313331333132313331211333   >>      C1311213331333132332133313331333133313331333133313331333132313331211332   >>