C1111121111331311211331333133313331333133313231333133313331333112131232311   >>    C111112111133131121133133313331333133313331323133313331333133311213123231   <<    C1111121111331311211331333133313331333133313231333133313331333112131232313   >>      C1111121111331311211331333133313331333133313231333133313331333112131232312   >>