The PDF version of this problemset can be downloaded here.
2 2 2 1 2 2 1 2 2 2 1 5 3 1 2 2 3 2 4 1 5 2 3 5 3 3 4 5 5 1 2 3 4 5
2 2 6 16 36
Migrated from old NTUJ.