block26.

// Constructor function
tag_2:
  // ...
  // calls setAB() by jumping to tag_5
  jump
tag_4:
  // ...
  // calls setCD() by jumping to tag_7
  jump

// function setAB()
tag_5:
  // Bit shuffle and set a, b
  // ...
  sstore
tag_9:
  jump  // return to caller of setAB()

// function setCD()
tag_7:
  // Bit shuffle and set c, d
  // ...
  sstore
tag_10:
  jump  // return to caller of setCD()