C13223313311212111133133313331323133313233313121111121111331323211232323211   >>    C1322331331121211113313331333132313331323331312111112111133132321123232321   <<    C13223313311212111133133313331323133313233313121111121111331323211232323213   >>      C13223313311212111133133313331323133313233313121111121111331323211232323212   >>