A thin, rigid square loop of wire with side length \(L\) lies in the \(xy\)-plane and carries a steady counterclockwise current \(I\). Points \(P_1\), \(P_2\), and \(P_3\) lie along the diagonal line connecting the center of the loop to its upper-right corner, where \(P_1\) is at the center, \(P_2\) is halfway along the diagonal to the corner, and \(P_3\) is very close to the corner. Which of the following correctly pairs the ranking of the magnetic field magnitudes \(B_1\), \(B_2\), and \(B_3\) at these points with the magnitude of the magnetic field \(B_1\) at the center of the loop?