I have such points
pts=Uncompress[FromCharacterCode[
Flatten[ImageData[Import["https://i.sstatic.net/hkAK8.png"],"Byte"]]]]"Byte"]]]];
{{79.044,235.992},{94.9421,235.945},{111.087,235.922},...,,{511.07,12.0754},{527.079,11.9187},{590.997,12.0931}}
I can show it like following
ListPlot[pts]
How to know these point have 15
rows and 32
columns?