I think:
2P60 to 2P62 NAF-720 to NAF-722
2P63/64: These may have been allocated to two of the following four:
17-601 = CAC built BC0001
0002 = CAC built (likely BC0002), first 02, later to 0002, Chengdu test a/c
19-602 = CAC built BC0003, first 03, later to PAF
19-603 = CAC built BC0004...