C13223313311212111133133313331333133313231323133213331311211113121   >>    C1322331331121211113313331333133313331323132313321333131121111312   <<    C13223313311212111133133313331333133313231323133213331311211113123   >>      C13223313311212111133133313331333133313231323133213331311211113122   >>