C13223313311212111133133313331333133313231323133211113313332213121   >>    C1322331331121211113313331333133313331323132313321111331333221312   <<    C13223313311212111133133313331333133313231323133211113313332213123   >>      C13223313311212111133133313331333133313231323133211113313332213122   >>