C13223313311212111133133313331323133313233313121111331321123221211   >>    C1322331331121211113313331333132313331323331312111133132112322121   <<    C13223313311212111133133313331323133313233313121111331321123221213   >>      C13223313311212111133133313331323133313233313121111331321123221212   >>