C13223313311212111133133313331333132313331333133313331333133313112113211111   >>    C1322331331121211113313331333133313231333133313331333133313331311211321111   <<    C13223313311212111133133313331333132313331333133313331333133313112113211113   >>      C13223313311212111133133313331333132313331333133313331333133313112113211112   >>