- 22418 960x544 system, scheme, blue
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- 18287 960x544 system, shutdown, sign
- 15897 960x544 system, form, shape
- 15281 960x544 system, device, glass
- 12900 960x544 system, form, shape
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- 23831 960x544 ubuntu, system, multi-colored
- 20184 960x544 fail, system, code
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- 13711 960x544 surface, system, diagram
- 13628 960x544 lock, system, words
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