C3123121111331312121111331333132313331323133313331333133313231321111   >>    C312312111133131212111133133313231333132313331333133313331323132111   <<    C3123121111331312121111331333132313331323133313331333133313231321113   >>      C3123121111331312121111331333132313331323133313331333133313231321112   >>