HINT : Just try to see the first column and last one if the "5 dots" and "4 dots" can be places in the first rows or last rows. Then you will remove some impossible places. Afterwards, it becomes easier with logic. A bit of imagination will help to achieve.
HINT :
Just try to see the first column and last one if the "5 dots" and "4 dots" can be places in the first rows or last rows. Then you will remove some impossible places. Afterwards, it becomes easier with logic. A bit of imagination will help to achieve.
[1,(3-5,19-21)],
[2,(2-9,15-22)],
[3,(1-10,14-23)],
[4,(1-3,7-11,13-17,20-23)],
[5,(1-3,9-14,22-24)],
[6,(1-3,11-13,22-24)],
[7,(1-3,12,22-24)],
[8,(2-4,23-25)].