C31231211111133131211113313331333133313332233132313331333132233112113121   >>    C3123121111113313121111331333133313331333223313231333133313223311211312   <<    C31231211111133131211113313331333133313332233132313331333132233112113123   >>      C31231211111133131211113313331333133313332233132313331333132233112113122   >>