Packing Rectangles IOI 95

Question

I'm working my way through the usaco training pages and came across this problem http://olympiads.win.tue.nl/ioi95/task/pack.html I don't understand the example input and output i.e. I cant find which of the 6 packing representations corresponds to the 4,10 and 5,8 lengths yielding the min total Area of 40.

Answer 1

Second from the right?

1222
1222
3333
3333
3333
4444
4444
4444
4444
4444

Third from the left?

33311
33322
33322
33322
44444
44444
44444
44444