**Is your feature request related to a problem? Please describe.** <!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] --> **Describe the solution you'd like** <!-- A clear and concise description of what you want to happen. --> HoleSnap only moves u to 1x1 holes, add a 2x1 mode <!-- A clear and concise description of any alternative solutions or features you've considered. --> <!-- Add any other context or screenshots about the feature request here. -->