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A@http://www.tanzzle.com/loyd.html
Sam Loyd's unsolved patterns 

The eighth book of Tan - 700 Tangrams by Sam Loyd
with an introduction and solutions by Peter Van Note
Dover publications Inc., New York 1968
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page 19 ANIMAL FIGURES
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The goat silhouette, the third from right in the second line, in the illustrations for the rhyme of Noah's ark:
'The animals walked in eight by eight,
Butted on by a goat, 'cause he thought they were late.'
Van Note reported the pattern as unsolved, but IT IS a proper tangram. 
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La figura della capra, la terza da destra nella seconda fila, nelle illustrazioni della poesia sull'arca di Noč:
'Gli animali salivano in fila per otto,
Spinti da una capra, che pensava di essere in ritardo.'
Van Note riporta la figura come irrisolta, ma essa č un VERO tangram.