* Title:Shunt 4 switched
* Designer:jf
* Type:Solution
* Follows:dividif
* Physics:2
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                  |))))           
                                  |))))           
                                !!|))))           
                                ::|))))           
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    #######$$$$$$$$$$$$$$$$$$gW#    g/h  v        
    #######################<<#W#  F=K K< =>WF     
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              +     n    g    W:-=M        :+K    
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            (                    =                
            ==================<==