C333312111133133312111133133313331333132233133112213331323221121   >>    C33331211113313331211113313331333133313223313311221333132322112   <<    C333312111133133312111133133313331333132233133112213331323221123   >>      C333312111133133312111133133313331333132233133112213331323221122   >>