I saw the majority last Thursday (16th), as noted below:
Seen at Rochdale:
142 011 + 150 117 Rochdale to Blackburn service, I think
NH - 142 055, 142 061 (might have been more but view obstructed).
Seen at Victoria between 12:00 and 14:00:
142 047 + 150 125 Clitheroe to Rochdale
142 036 + 150...