C11112331312111112111133133313331322133313112121111331323133313232111   >>    C1111233131211111211113313331333132213331311212111133132313331323211   <<    C11112331312111112111133133313331322133313112121111331323133313232113   >>      C11112331312111112111133133313331322133313112121111331323133313232112   >>