C11112331312111112111133133313331333133313331333133313331333112133221   >>    C1111233131211111211113313331333133313331333133313331333133311213322   <<    C11112331312111112111133133313331333133313331333133313331333112133223   >>      C11112331312111112111133133313331333133313331333133313331333112133222   >>