@rangsk_yt: Tough one! Solving a Skyscraper Sudoku: "Skyscraper" by LogicWiz. Play here: https://link.sudoku.logic-wiz.com/DUTW iOS note: This link opens in the LogicWiz app, so you may need to install the app first. LogicWiz: https://www.logic-wiz.com This video is sponsored by LogicWiz. #sudoku #logicwiz #puzzle