C132233133112121111331333133313331323132313231323221333132313123121   >>    C13223313311212111133133313331333132313231323132322133313231312312   <<    C132233133112121111331333133313331323132313231323221333132313123123   >>      C132233133112121111331333133313331323132313231323221333132313123122   >>