C1111121111331311211331333133313331333133313231333133313331333133311213213331   >>    C111112111133131121133133313331333133313331323133313331333133313331121321333   <<    C1111121111331311211331333133313331333133313231333133313331333133311213213333   >>      C1111121111331311211331333133313331333133313231333133313331333133311213213332   >>