C3123121111331312121111331333132313331333133313233313121133132233132321   >>    C312312111133131212111133133313231333133313331323331312113313223313232   <<    C3123121111331312121111331333132313331333133313233313121133132233132323   >>      C3123121111331312121111331333132313331333133313233313121133132233132322   >>