concentric rings Add transparency

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Gradient transitions

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Subtle highlights

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Contrast increase

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use black and gray colors, make the pattern be slow, add a pinch of water ripple effect Adjust ripple frequency

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weird red Symmetrical Patterns

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use black and gray colors, make the pattern be slow Add noise

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