C11112331312111112111133133313331333133313331333133313331333132322332123221   >>    C1111233131211111211113313331333133313331333133313331333133313232233212322   <<    C11112331312111112111133133313331333133313331333133313331333132322332123223   >>      C11112331312111112111133133313331333133313331333133313331333132322332123222   >>