Correct answer: Kc61.Kc6! (2.N:c7#/Nd4#/Nd6#/N:a3#/Na7#/Nc2#/Nd5#/Na2#) 1...Ng4+/Ng8+/Nh5+/Nh7+/Ne4+/Ne8+/Nd5+/Nd7+ 2.N
