        .      =        ..=      =   . .=   ..+  x                x    +      :     
                                                                   +      :       + 
 +:        :x                    x+.      .      .  +            x     .   x=  x    
  x .  =          .            :  x   :      =         +    +   = .        =        
              : =     = .           ..       .    + .       x                     =x
    .     +    =  x                .                                                
            :    :         :                    :    :    +x            :        =  
x       :   +      . .                                         x       x   +        
                   :                x     =    :               .x        x      : : 
 :            .    = = .       +   =    +                     x            +   .    
        =  :          = :           = :         .                          :        
     .                            : =      =                 = +             x      
x     =            +     x      :            x                  :                 x 
                  +x      x                   x   .  :         .    .       =       
 x                   :     :               +  +                              .      
                            .:                    + x       =  :     x       x +    
.    :=     .     .  x =                :      + =             +      +=   ==  x    
           :                       :    x        .   x  +           +    x         x

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