Hi, thank you for providing all the data after the challenge, but as for as I have seen, the undersampling masks are not provided for the TestSet. In the ChallengeData there are folders like Mask_Task1 for Training and Validation sets. In the ChallengeData_AfterCompetition there are no such folders, also the masks for the Validation set do not match - probably because you shuffled the ID again, like you did in 2023. Maybe you can provide masks for Test and Validation set, or the ordering of IDs for the Validation set. Thank you!