I am asked to calculate the magnitude of the current across C1. I am suggested to find the total impedance in the circuit and then find the current across C1. I know that the answer should be 31.4A. I don't really know how I should approach this problem. I do not understand if C4 and C2 are in series or parallel. To me it looks like C2 and C4 are in series and in parallel to C1 and C3. I have tried it like this and then applied the mesh method to find I1, but I did not find 31.4A.

Thank you for your help!