C13223313311212111133133313331333133313231323133211113313223313113313233121   >>    C1322331331121211113313331333133313331323132313321111331322331311331323312   <<    C13223313311212111133133313331333133313231323133211113313223313113313233123   >>      C13223313311212111133133313331333133313231323133211113313223313113313233122   >>