C1111133313331333121121133133313331333132313331333133313231322211   >>    C111113331333133312112113313331333133313231333133313331323132221   <<    C1111133313331333121121133133313331333132313331333133313231322213   >>      C1111133313331333121121133133313331333132313331333133313231322212   >>