C111112111133131121133133313331333133313331323221211111211113313331313323221   >>    C11111211113313112113313331333133313331333132322121111121111331333131332322   <<    C111112111133131121133133313331333133313331323221211111211113313331313323223   >>      C111112111133131121133133313331333133313331323221211111211113313331313323222   >>