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##############******** *** *****  * *    *                  
#####<O#..'..#,@+∆∆*_ *∆∆+, ,*∆∆  ∆∆ +        ∆    ∆∆∆∆ ∆∆  
#####..'..#..+ ,*∆∆+,J+∆∆*,K,* +*∆**   ,     ∆     ∆∆∆∆  ∆  
#####..#####O#*  *+* _***  ,, ,  ∆ ∆ * ,           ∆∆∆∆∆    
#####..####..#∆∆∆*∆****∆∆*** *,  ∆ + ∆ **+ ∆∆∆     ∆∆∆∆∆ ∆  
#####..#__####∆∆  ∆*≈≈c,,*∆∆*  *     ∆*     ∆∆∆     ∆∆∆∆ ∆  
#####..#_.___** *,, ≈≈≈, +,, , , ,*, ∆        ∆          ∆  
    #⌠⌠#_.∩..,+, J_ ≈≈ c *∆∆*, ,, +, ∆∆∆      ∆     ∆ ∆     
    ####_..._# _,*+ *+ ****+***,   ,,, ,      ∆             
    *∆∆#_____#** *∆ T∆∆∆ **,+∆*,  *           ∆             
    ******### *  ** *+  *∆***∆ , *     *                    
      ,, , ,,,+∆,∆+∆∆,∆∆+∆ **,*,,   *∆∆ *                   
    ***++   *  ∆,∆********* *∆**  ∆∆ ∆∆ ∆                ∆  
    *, ,,,,,* * ,***,,,,,,,* ,* ∆*∆∆∆∆∆∆∆∆∆             ∆   
    *,,,,G,,G*∆ + K*,x,,,,,,+∆**  ∆∆∆∆∆∆∆∆∆                 
     G,*GG,   ∆∆∆∆J*  +**** *,*∆∆+∆∆∆∆∆∆            ∆∆∆∆∆∆  
     G, ,,,,G *nn*∆*x,JJ,, ,*,** **∆∆∆*  ,           ∆∆∆∆∆  
    *,,,, *G * *  * JJ ,,,  +,*∆∆∆ * *                ∆∆∆∆  
    *G,G ,  G**∆∆∆n,,,, ,,≈** *∆ , ,                        
    * , ,,G, * n∆∆,nJ,J,,≈≈**∆∆∆,  ,**  *                   
     ,,, ,,,,** nn,,,, ≈ ≈ **∆∆    **,  ,     ∆             
    *     +*    **,,  ≈   * *∆ ,,, *                        
    *∩, ,, ,∩ * *+** **  ****∆∆∆∆∆ ,,,,, ,    ∆             
      ,,, ,, **∩∩*****    ∩   * *** ***  ,    ∆∆∆           
    *  ,, ,,∩**    ∩    ∩∩***≈≈≈ ≈ ≈≈                       
    ******** * ** ****  *** *** *             ∆∆ ∆∆  ∆      
                             , ∆ , ,   ,      ∆∆ ∆∆ ∆∆∆∆ ∆  
                              **   ***   *