C111112111133131121133133313331333132313113313331333132332232321311321   >>    C11111211113313112113313331333133313231311331333133313233223232131132   <<    C111112111133131121133133313331333132313113313331333132332232321311323   >>      C111112111133131121133133313331333132313113313331333132332232321311322   >>