C3123121111331312121111331333132313331333133313233313121133132233131321   >>    C312312111133131212111133133313231333133313331323331312113313223313132   <<    C3123121111331312121111331333132313331333133313233313121133132233131323   >>      C3123121111331312121111331333132313331333133313233313121133132233131322   >>