Please see Changeset: 164502845 for my mapping of this selection of buildings. View the task change-sets via task data in top right of the task window. You'll need to log into (authorise) OSMCha then repeat this step the first time you do it, to load the relevant changesets. You should be able to view the buildings by opening the changeset using ID editor (open with). Hope this helps. Thank you for your contributions.
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            Published using OSMCha: https://osmcha.org/changesets/164501175
            