Computer Programming Contest Preparation

    1 1
    2 19 39 8 18 48 13 33 34 27 45 50 12 32 30 20 18 17 8 26 6
    3 
    4 50 48 45 39 34 33 32 30 27 26 20 19 18 18 17 13 12 8 8 6
    5 48    39    33 32    27 26 20 19 18 18 17 13    8 8 6
    6 
    7 
    8 171 = 50 +
    9       121 50
   10       76  45
   11       42  34
   12       12  30
   13       0   12
   14