[
  [
    [[50, 100], [480, 100], [480, 140], [50, 140]],
    ["Première colonne ligne un", 0.93]
  ],
  [
    [[50, 160], [480, 160], [480, 200], [50, 200]],
    ["Première colonne ligne deux", 0.91]
  ],
  [
    [[520, 100], [950, 100], [950, 140], [520, 140]],
    ["Seconde colonne ligne un", 0.94]
  ],
  [
    [[520, 160], [950, 160], [950, 200], [520, 200]],
    ["Seconde colonne ligne deux", 0.89]
  ]
]