Mi mi mi, mi mi stery Mystery Cache

voilà une mistery d5 qui me trotte dans la tête depuis un bon moment déjà,

j’espère que vous prendrez du plaisir à la résoudre, mais aussi que vous vous tirerez (un peu) les cheveux en essayant de la résoudre.

Bonne chance à tous.

(un cadeau attend le FTF, le STF et le TTF)      

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