C11112331312111112111133133313331322133313112121111331323132313223331   >>    C1111233131211111211113313331333132213331311212111133132313231322333   <<    C11112331312111112111133133313331322133313112121111331323132313223333   >>      C11112331312111112111133133313331322133313112121111331323132313223332   >>