C11112331312111112111133133313331322133313112121111331323133313332111211   >>    C1111233131211111211113313331333132213331311212111133132313331333211121   <<    C11112331312111112111133133313331322133313112121111331323133313332111213   >>      C11112331312111112111133133313331322133313112121111331323133313332111212   >>