C132233133112121111331333133313331333132313231332121111112233121   >>    C13223313311212111133133313331333133313231323133212111111223312   <<    C132233133112121111331333133313331333132313231332121111112233123   >>      C132233133112121111331333133313331333132313231332121111112233122   >>