C1111133313331333121121133133313331333132313331333133313113313231323321   >>    C111113331333133312112113313331333133313231333133313331311331323132332   <<    C1111133313331333121121133133313331333132313331333133313113313231323323   >>      C1111133313331333121121133133313331333132313331333133313113313231323322   >>