C1111133313331333121121133133313331333132313331333133313113311233131   >>    C111113331333133312112113313331333133313231333133313331311331123313   <<    C1111133313331333121121133133313331333132313331333133313113311233133   >>      C1111133313331333121121133133313331333132313331333133313113311233132   >>