StID  Mt  PS   Pres
      /50 /10  /10

0252  30  6    7.5
3206  29  7.42 8
5145  43  8.83 7
5551  32  6.08 7.5
6271  38  7.58 5.5
6863  23  3.33 7
7393  49  8.92 8.5
7401  39  8.83 9.5
8497  36  8    7.5
8687  44  9.17 8
8971  38  6.25 5.5
9075  53  8    7.5

Note: StID=last 4 digits of student ID
      Mt = midterm score, counted out of 50
      PS = average of best 12 out of 16 mini-problem sets
      Pres = presentation mark