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1. https://www.google.co.id/search?q=snowboard+x+games&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjW98Hoy4jYAhXCuY8KHZCiDC4Q_AUICygC&biw=1360&bih=672#imgrc=2MZrCQpPsT0JvM:
2. https://www.youtube.com/watch?v=SdX3cRc2Tj0
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http://leehans.blogspot.co.id/2013/04/bela-diri-ala-jepang.html
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https://www.youtube.com/watch?v=jgkil8tbGcc
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https://www.youtube.com/watch?v=Zz3XIdrxvmI
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https://www.youtube.com/watch?v=OwffFkGF7zw
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https://www.youtube.com/watch?v=p_IIa1-OgLM
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https://www.youtube.com/watch?v=b9eI7huaO0w
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https://www.youtube.com/watch?v=pYZKdSzYsc0
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https://www.youtube.com/watch?v=pjF6uBZHVRE
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https://www.youtube.com/watch?v=YRqXA-ZV6Oo
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https://www.youtube.com/watch?v=kONMm0S5xgs