These are effectively the same puzzle.

Divide each image into 4 lines, preserve one half of them across rows and the other across columns.

Puzzle 4

The top here has some lines flipped diagonally, which is strange.

Puzzle 10

These are effectively the same puzzle.

Divide each image into 4 lines, preserve one half of them across rows and the other across columns.

Puzzle 4

The top here has some lines flipped diagonally, which is strange.

Puzzle 10