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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="AverageNumberOfShares_label_labelfr" xml:lang="fr">Nombre de titres moyen</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="CostGainOfNetDebt_label_labelfr" xml:lang="fr">Coût de l'endettement financier net</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ProfitLossFromOrdinaryOperatingActivities_label_labelfr" xml:lang="fr">Profits (pertes) d'activités ordinaires</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="OtherOperatingExpenses_label_labelfr" xml:lang="fr">Autres charges d'exploitation</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherOperatingExpenses" xlink:to="OtherOperatingExpenses_label_labelfr" xlink:type="arc" />
    <link:loc xlink:type="locator" xlink:label="OtherOperatingIncome" xlink:href="highco-2022-12-31.xsd#highco_OtherOperatingIncome" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="OtherOperatingIncome_label_labelfr" xml:lang="fr">Autres produits d'exploitation</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasicEarningsLossAttributableToOwnersOfParentPerShare" xlink:to="BasicEarningsLossAttributableToOwnersOfParentPerShare_label_labelfr" xlink:type="arc" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="CostOfDebt_label_labelfr" xml:lang="fr">Coût de l'endettement financier brut</link:label>
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    <link:loc xlink:type="locator" xlink:label="DilutedNumberOfSharesIssued" xlink:href="highco-2022-12-31.xsd#highco_DilutedNumberOfSharesIssued" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="DilutedNumberOfSharesIssued_label_labelfr" xml:lang="fr">Nombre de titres moyen dilué</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DilutedNumberOfSharesIssued" xlink:to="DilutedNumberOfSharesIssued_label_labelfr" xlink:type="arc" />
    <link:loc xlink:type="locator" xlink:label="PurchaseOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:href="highco-2022-12-31.xsd#highco_PurchaseOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" />
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