... done all of them from 1-75 so far.
< ... PT 17 s2, PT 21 s3, PT 22 s2&4 ... , PT 23 s3, PT 25 s2, PT ... 39 s2, PT 40 s3, PT 43 s3, PT 44 s4, PT ... 47 s3, PT 48 s4, PT ... 49 s2, PT 51 s3, PT 56 s2, PT 58 ... PT 59 s2, PT 63 s3, PT 71 s3, PT 76 s2