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Oritsuru: Escher Solid, Yoshimoto's cube or Cubic star?
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Oritsuru: Gaïa
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Oritsuru: Alpha Pyramid
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Oritsuru: Treesnake
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Oritsuru: Helterskelter with windows
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Oritsuru: Vertigo - Helterskelter
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Oritsuru: Dave Mitchell's Folded Wooden Puzzle