C333312111133133312111133133313331333132233133112111133132222331333113121   >>    C33331211113313331211113313331333133313223313311211113313222233133311312   <<    C333312111133133312111133133313331333132233133112111133132222331333113123   >>      C333312111133133312111133133313331333132233133112111133132222331333113122   >>