id_utilisateur,id_co_parent
b6c4d2e3-5f7a-4b8c-9d1e-2a3c5f7b8d9e,f1d3c5b7-8a9e-4f2d-9c1b-3e7a5d8c2f1b
c4e2d1f5-6b7a-4c3d-8f2a-1e9c3b5a7d6f,
d3e5f7a9-1c2b-4d6e-8f3a-2b4c6d8e9f1a,
f1d3c5b7-8a9e-4f2d-9c1b-3e7a5d8c2f1b,b6c4d2e3-5f7a-4b8c-9d1e-2a3c5f7b8d9e