C13223313311212111133133313331312111133132231211113313232212331   >>    C1322331331121211113313331333131211113313223121111331323221233   <<    C13223313311212111133133313331312111133132231211113313232212333   >>      C13223313311212111133133313331312111133132231211113313232212332   >>