C11112331312111112111133133313331333133313331333133313331322331312221   >>    C1111233131211111211113313331333133313331333133313331333132233131222   <<    C11112331312111112111133133313331333133313331333133313331322331312223   >>      C11112331312111112111133133313331333133313331333133313331322331312222   >>