C133323133112111133133313331333133313311232222121111331323223313221211   >>    C13332313311211113313331333133313331331123222212111133132322331322121   <<    C133323133112111133133313331333133313311232222121111331323223313221213   >>      C133323133112111133133313331333133313311232222121111331323223313221212   >>