1. 76.
    0
    reserved up up up
    ···
  2. 77.
    0
    reserved up up up
    ···
  3. 78.
    0
    reserved up up up
    reserved up up up
    reserved up up up
    ···
  4. 79.
    0
    reserved up up up
    ···
  5. 80.
    0
    reserved up up up
    ···