Example

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R3161 0.25ct 2.6g / 3.7g
R3162 0.33ct 2.8g / 3.9g
R3163 0.50ct 2.9g / 4.1g
R3164 0.75ct 3.2g / 4.5g
R3165 1.00ct 3.4g / 4.8g