C13223313311212111133133313331323133313233313121111331333133313211211211   >>    C1322331331121211113313331333132313331323331312111133133313331321121121   <<    C13223313311212111133133313331323133313233313121111331333133313211211213   >>      C13223313311212111133133313331323133313233313121111331333133313211211212   >>