The PDF version of this problemset can be downloaded here.
2 1 1 2 2 2 2 1 2 1 2 1 1 6 7 1 3 2 3 2 1 3 5 1 3 6 2 4 3 1 4 6 1 5 2 1 3 2 1 3 1 1 3 1
1 Infinite 4 1
Migrated from old NTUJ.