C111112111133131121133133313331333133313123221211111333132322123221   >>    C11111211113313112113313331333133313331312322121111133313232212322   <<    C111112111133131121133133313331333133313123221211111333132322123223   >>      C111112111133131121133133313331333133313123221211111333132322123222   >>