３階
How to write Japanese & Stroke order

Check also 階  

Names and idioms with total stroke of 12:
長尺  宝水  金水  怪幻  匠気  

Names and idioms similar to ３階:
階藤  労働者階級  七音音階  中間階級  二階派  

Check stroke order for the words below:
引攣れ  太田ヶ谷  明愛莉  西那須  奪掠婚  炙物  一華草