| 21. | It was the third time in as many years that Gyorffy has set the Heptagonal record.
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| 22. | Harris concluded his collegiate career with a total of eight Ivy League / Heptagonal individual championships.
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| 23. | The apse is heptagonal and has in its lower half seven pointed arches filled with opus sectile.
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| 24. | Gr�fenstein is the only castle in Germany with a heptagonal keep or " bergfried ".
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| 25. | The record-tying and record-setting efforts earned Gyorffy her third straight Heptagonal Outstanding Performer Award.
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| 26. | For example 7.7 . 7 represents the heptagonal tiling which has 3 heptagons around each vertex.
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| 27. | His cross-country teams went 103-15 in dual and triangular meets and won two Heptagonal titles.
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| 28. | He was the 1967 and 1968 long jump and triple jump Ivy League Heptagonal Outdoor Track & Field Champion.
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| 29. | The symmetry of a heptagonal antiprismatic prism is [ 14, 2 +, 2 ], order 56.
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| 30. | Castle remains are dominated by an irregular heptagonal plant tower, towering high, is accessed through a door.
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