Kb7 Ne5
Kc7 Nd3
b7 Nb4
Kb8 Kb6
Ka8 Na6
b8=any Nxb8
Kxb8 Ka5
Kb7 Kb4
Kc6 Kxb3
Kxc5 Ka4
Kb6 Kb4
c5 Kc4
c6
That's right, but it's Kb7!! and Kb8!!
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