C132233133112121111331333133313331333132322331333131211113313311212232133313211   >>    C13223313311212111133133313331333133313232233133313121111331331121223213331321   <<    C132233133112121111331333133313331333132322331333131211113313311212232133313213   >>      C132233133112121111331333133313331333132322331333131211113313311212232133313212   >>