File: queens_fd.fd

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gprolog 1.4.5.0-3
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file content (6 lines) | stat: -rw-r--r-- 109 bytes parent folder | download | duplicates (7) 
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diff(fdv X,fdv Y,int I)

{
 start X in ~{val(Y),val(Y)+I,val(Y)-I}
 start Y in ~{val(X),val(X)+I,val(X)-I}
}