C1111121111331311211331333133313331333133313231333133313331323221333112311   >>    C111112111133131121133133313331333133313331323133313331333132322133311231   <<    C1111121111331311211331333133313331333133313231333133313331323221333112313   >>      C1111121111331311211331333133313331333133313231333133313331323221333112312   >>