In addition, 1552/9 have both been on 8 boards:
1559 started with 8, finishing with a 29a and an X12

1552 did 2 trips on the 8 before being swapped for 1404. It then went onto the X12 at 1215, followed by a 9 at 1440, a 17 at 1530 then the last 17 at 1730, the last 29a at 1845 and the 2015 X12