C3123121111331312121111331333132313331323133313331333133313231321311   >>    C312312111133131212111133133313231333132313331333133313331323132131   <<    C3123121111331312121111331333132313331323133313331333133313231321313   >>      C3123121111331312121111331333132313331323133313331333133313231321312   >>