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Date: Wed, 6 Sep 2023 02:30:08 -0700 (PDT)
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From: Richard Verret <rverret97@gmail.com>
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Le 05/09/2023 =C3=A0 23:09, Richard Hachel a =C3=A9crit :
>  Prenons le cas d'un voyageur [qui part] pendant 18 ans de son temps prop=
re.
>  Quel sera l'=C3=A2ge du fr=C3=A8re jumeau rest=C3=A9 sur terre si on emb=
arque l'un d'eux juste apr=C3=A8s la naissance?
Moi m=E2=80=99sieu, moi m=E2=80=99sieu! dix-huit ans.