Determine the inductance at terminals $A-B$ in the network shown above. Take the inductor values to be $L_1 = 3 mH, L_2 = 6 mH, L_3 = 2 mH, L_4 = 8 mH, L_5 = 10 mH, L_6 = 6 mH$ and $L_7 = 3 mH$. Redraw the schematic after combining parallel or series inductors.

$L_{AB} =$ $mH$