C13223313311212111133133313331333132313331333133313331333133313231232333131   >>    C1322331331121211113313331333133313231333133313331333133313331323123233313   <<    C13223313311212111133133313331333132313331333133313331333133313231232333133   >>      C13223313311212111133133313331333132313331333133313331333133313231232333132   >>