C3123121111331312121111331333132313331333133313331323133313121322331   >>    C312312111133131212111133133313231333133313331333132313331312132233   <<    C3123121111331312121111331333132313331333133313331323133313121322333   >>      C3123121111331312121111331333132313331333133313331323133313121322332   >>