C13223313311212111133133313331333133313231323133212111133132231231   >>    C1322331331121211113313331333133313331323132313321211113313223123   <<    C13223313311212111133133313331333133313231323133212111133132231233   >>      C13223313311212111133133313331333133313231323133212111133132231232   >>