C13223313311212111133133313331323133313233313121111331323111211   >>    C1322331331121211113313331333132313331323331312111133132311121   <<    C13223313311212111133133313331323133313233313121111331323111213   >>      C13223313311212111133133313331323133313233313121111331323111212   >>