C111112111133131121133133313331333133313331323133313331331121111132212321   >>    C11111211113313112113313331333133313331333132313331333133112111113221232   <<    C111112111133131121133133313331333133313331323133313331331121111132212323   >>      C111112111133131121133133313331333133313331323133313331331121111132212322   >>