(
  "Joe",
  {
    A => { 1 => [[85, 80], [90, 99]], 2 => [[50, 60, 87], [70, 65, 89]] },
    B => { 1 => [[82], [92]], 3 => [[30], [51]] },
  },
  "Rob",
  { A => { 1 => [[64], [77]] }, B => { 2 => [[20], [32]] } },
)