C111112111133131121133133313331333133313331312111112111133133313232332231   >>    C11111211113313112113313331333133313331333131211111211113313331323233223   <<    C111112111133131121133133313331333133313331312111112111133133313232332233   >>      C111112111133131121133133313331333133313331312111112111133133313232332232   >>