Solution 2
              
                
             
             
            e) 1.c1-c5 
               
              If White plays 1. c1-c5 (as shown above), Black would 
              reply with 1. … a1-e5, forcing White to capture the 
              row on the a4-h1 line. As a result of that, he lined up 3 of his 
              pieces and attacks White’s last GIPF. Whatever White plays, 
              Black will always be able to occupy b5 with his next move and capture 
              Gf4. 
               
             
             
               
               
       
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