C111112111133131121133133313331323133313221323331333132322133313232233113221   >>    C11111211113313112113313331333132313331322132333133313232213331323223311322   <<    C111112111133131121133133313331323133313221323331333132322133313232233113223   >>      C111112111133131121133133313331323133313221323331333132322133313232233113222   >>