C111112111133131121133133313331333133313331323133313331333133211111322321   >>    C11111211113313112113313331333133313331333132313331333133313321111132232   <<    C111112111133131121133133313331333133313331323133313331333133211111322323   >>      C111112111133131121133133313331333133313331323133313331333133211111322322   >>