∴AD=AB,
∵ quadrilateral ABCD is a parallelogram,
∴ The quadrilateral ABCD is a diamond,
∫MG∨AD,NF∨AB,
∴ Quadrilateral Amen is a parallelogram,
∫ Quadrilateral EFCG is a parallelogram.
∴AM∥. Well, Ann ∨. I
∴EN∥.DG,ME∨。 BF,
The quadrilateral EFCG is a parallelogram,
∴EF∥.CG,EG∨。 FC,
∴ND∥.EG∨。 CF,BM∨。 EF∨。 CG,
∴ quadrilateral BMEF and quadrilateral NDGE are parallelograms,
∴BM=EF,ND=EG,
Also, the quadrilateral ABCD is a diamond,
∴AB=AD,
∴AB-BM=AD-ND,
That is AM=AN,
The Amen of the parallelogram is a diamond,
Similarly, the parallelogram EFCG is a diamond,
∴: So there are three squares in the picture.
So the answer is 3.