C13223313311212111133133313331333132313231323133313113313223322321   >>    C1322331331121211113313331333133313231323132313331311331322332232   <<    C13223313311212111133133313331333132313231323133313113313223322323   >>      C13223313311212111133133313331333132313231323133313113313223322322   >>