C111112111133131121133133313331333133313331323132313331333133313232213321   >>    C11111211113313112113313331333133313331333132313231333133313331323221332   <<    C111112111133131121133133313331333133313331323132313331333133313232213323   >>      C111112111133131121133133313331333133313331323132313331333133313232213322   >>