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SkyChallenge: 19680604_Topcon-Unirex_Kloten_002
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SkyChallenge: 19680604_Topcon-Unirex_Kloten_003
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SkyChallenge: 19680604_Topcon-Unirex_Kloten_004
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SkyChallenge: 19680604_Topcon-Unirex_Kloten_005
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SkyChallenge: 19680604_Topcon-Unirex_Kloten_001
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SkyChallenge: 19680604_Topcon-Unirex_Kloten_006