He erased all of their texts, and then he cut the sheets down in the middle, he shuffled them up, and he rotated them 90 degrees, and he wrote prayers on top of these books.
적혀있던 글을 다 지워버리고 종이의 가운데를 자른 다음에 서로 섞은 후 90도로 회전시켜 그 위에 기도문을 적은 거죠