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  <!-- Concentric circles — meta-analysis, examining ethics of ethics -->
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  <circle cx="120" cy="140" r="60" fill="none" stroke="#63a19a" stroke-width="1.5" opacity="0.2"/>
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  <circle cx="120" cy="140" r="20" fill="#63a19a" opacity="0.15"/>
  <!-- Question mark in center — the critical question -->
  <text x="120" y="148" text-anchor="middle" font-family="Georgia, serif" font-size="24" fill="#63a19a" opacity="0.5">?</text>
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  <rect x="165" y="180" width="20" height="26" rx="2" fill="#63a19a" opacity="0.1" transform="rotate(-12, 175, 193)"/>
  <!-- Gap indicator — dashed lines showing what's missing -->
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