{
 "total": 1800299,
 "by_source": {
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  "Mixture-of-Thoughts-science": 53154,
  "GeneralThought-430K": 260416,
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  "MegaScience": 238799,
  "natural_reasoning": 300000,
  "glaive-reasoning-v1-20m": 300000,
  "CoT-Collection": 400000
 }
}