C1311213331333132332133313331333133313121111331333133313331333133323222321   >>    C131121333133313233213331333133313331312111133133313331333133313332322232   <<    C1311213331333132332133313331333133313121111331333133313331333133323222323   >>      C1311213331333132332133313331333133313121111331333133313331333133323222322   >>