https://store-images.s-microsoft.com/image/apps.5123.f773e97e-ffaa-40d4-90b4-4b8c460a03a7.caac58d2-cd3c-4bac-a3f3-648bfcd92353.4baff867-c1d4-4662-a448-b7b90745dc7f

Domino and Notes Transformations

de Binary Tree

Microsoft preferred solution