- Chọn hai chiếc lá to đặt song song, sao cho mặt lá không có gân lá hướng xuống dưới. Xếp hai chiếc lá khác lên trên hai lá này theo hình chữ thập, mặt lá không có gân quay lên trên.
-Select the two leaves to put in parallel, so that no leaves veined surface facing down. Two other leaf-lined up on two cross-shaped under the leaves, the leaves do not have cranked up on the tendon.
- Choose two leaves to put in parallel, so that the leaves do not have veins downwards. Ratings else first two leaves two leaves under the crosshairs, the leaves no tendon upward.