Order of presentation (+square + correct response) in the ACT

 

016nr d7 empty

016lfnr h3 wb

cent2 d6 empty

r11 g7 bp

016lfr e8 bb

1724nr h3 wp

gr15 c8 br

r21 h3 wp

r31 g6 wk

1724r c4 wp

1724lf b1 wr

2532r e4 bq

r41 b7 bk

gr10 a5 bq

ninoa c3 wn

r51 g2 empty

pc54 g6 bn

r61 g2 empty