- 19305 1280x1024 form, light, lines
- 20550 1280x1024 form, figure, dark
- 15890 1280x1024 form, light, shape
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- 13743 1280x1024 form, connection, light
- 16353 1280x1024 form, shadow, figure
- 13399 1280x1024 form, light, luster
- 20166 1280x1024 form, light, blue
- 11871 1280x1024 form, shape, plexus
- 27228 1280x1024 form, optical illusion, rotation
- 18984 1280x1024 form, green, compound
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