C1111121111331311211331333133313331333133313231333133313331311331333112132221   >>    C111112111133131121133133313331333133313331323133313331333131133133311213222   <<    C1111121111331311211331333133313331333133313231333133313331311331333112132223   >>      C1111121111331311211331333133313331333133313231333133313331311331333112132222   >>