READ-ME file for data pack "ValRun" The animal numbers 39, 40, 102 and 104 represent the numbers 1, 2, 3 and 4 in the manuscript. The abbreviations GS, TBC and NH code for the three operators. "G" and "D" in the labelling of the eyes stands for "gauche" and "droite", "left" and "right", respectively. The data pack also contains a template of the dossier of the production of one tIPE batch (current versions of the forms, Oct 2022); scans of completed dossiers for individual productions are available on request.