13 were yellow and white, and 14 red and white, for a total of 13+14=<<13+14=27>>27 flowers containing the color white.
17 were red and yellow, and 14 were red and white, for a total of 17+14=<<17+14=31>>31 flowers containing the color red.
Thus, there were 31-27=<<31-27=4>>4 more flowers that contained the color red than the color white.
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