3-3 invasion means you're giving thickness to 2 sides. After studying the 60 master games I concluded that 3-3 invasion only makes sense if you can make the thi

3-3 invasion means you're giving thickness to 2 sides. After studying the 60 master games I concluded that 3-3 invasion only makes sense if you can make the thickness on BOTH sides inefficient (AG only played it when it has stones on both sides)