gpt-oss-120b

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  <!-- Face -->
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  <!-- Left eye -->
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  <!-- Right eye -->
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  </g>

  <!-- Eyebrows -->
  <path d="M350,430 C360,410 440,410 450,430"
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        stroke="#2c1b0c" stroke-width="15" fill="none" stroke-linecap="round"/>

  <!-- Nose -->
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        stroke="#b58c73" stroke-width="8" fill="none" stroke-linecap="round"/>
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  <!-- Mouth (upper lip) -->
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        stroke="#b33" stroke-width="12" fill="none" stroke-linecap="round"/>

  <!-- Mouth interior (teeth) -->
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        fill="#fff"/>
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  <!-- Chin shadow -->
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           fill="rgba(0,0,0,0.1)"/>

</svg>