13 2.4

13 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.413 2.4