trace 1 foret de st amand 28 28 30.4 30.8 31.5 31.7 33.1 34.5 36.2 36.9 36.8 36.8 36.5 35.8 36.2 35.3 32.8 34.7 32.8 33.1 25.3 25.2 26.2 29 28