C13223313311212111133133313331333133313231323133212111133132212122321   >>    C1322331331121211113313331333133313331323132313321211113313221212232   <<    C13223313311212111133133313331333133313231323133212111133132212122323   >>      C13223313311212111133133313331333133313231323133212111133132212122322   >>