C13223313311212111133133313331333133313231323133212111133132213231221   >>    C1322331331121211113313331333133313331323132313321211113313221323122   <<    C13223313311212111133133313331333133313231323133212111133132213231223   >>      C13223313311212111133133313331333133313231323133212111133132213231222   >>