[ {

            "id_tranche": "17",

            "lib_tranche": "16h30-17h00"

            },{

            "id_tranche": "18",

            "lib_tranche": "17h00-17h30"

            },{

            "id_tranche": "19",

            "lib_tranche": "17h30-18h00"

            },{

            "id_tranche": "20",

            "lib_tranche": "18h00-18h30"

            },{

            "id_tranche": "21",

            "lib_tranche": "18h30-19h00"

            },{

            "id_tranche": "22",

            "lib_tranche": "19h00-19h30"

            }]