C13223313311212111133133313331333132333132312111133132313233311231   >>    C1322331331121211113313331333133313233313231211113313231323331123   <<    C13223313311212111133133313331333132333132312111133132313233311233   >>      C13223313311212111133133313331333132333132312111133132313233311232   >>