science_man_88

knight

Dec 23rd, 2016
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  1. knight(x)=select(r->((abs(r[1]-x[1])==1&&abs(r[2]-x[2])==2)||(abs(r[2]-x[2])==1&&abs(r[1]-x[1])==2))&&[r[1],r[2]]!=[x[1],x[2]],setbinop((x,y)->concat(x,y),[1,2,3,4,5,6,7,8],[1,2,3,4,5,6,7,8]))
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