C13223313311212111133133313331323133313331323121111331323112123331   >>    C1322331331121211113313331333132313331333132312111133132311212333   <<    C13223313311212111133133313331323133313331323121111331323112123333   >>      C13223313311212111133133313331323133313331323121111331323112123332   >>