If an area does not have any color coding, it means there are no conditions on the portions of dominoes within those spaces.
a backtracking engine (meaning most of them) gives you 4 matches here:
，详情可参考Line官方版本下载
Украинцам запретили выступать на Паралимпиаде в форме с картой Украины22:58
Turn it into a discord like app with chat, images, video, and also live video/voice chat! pic.twitter.com/CQ6xfQ4JcB