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#include <cstdio>
#include <algorithm>
using namespace std;
int n,sol[15],nr;
void back(int k);
bool next(int k);
bool ok(int k);
int main()
{
freopen("damesah.in","r",stdin);
freopen("damesah.out","w",stdout);
scanf("%d",&n);
back(1);
printf("\n%d",nr);
return 0;
}
void back(int k)
{
sol[k]=0;
if(k==n+1)
{
nr++;
if(nr==1){for(int i=1;i<=n;++i)printf("%d ",sol[i]);}
}
else
{
while(next(k))
if(ok(k))
back(k+1);
}
}
bool next(int k)
{
if(sol[k]<n)
{
sol[k]++;
return 1;
}
else
return 0;
}
bool ok(int k)
{
for(int i=1;i<k;++i)
if(sol[i]==sol[k])
return 0;
for(int i=1;i<k;++i)
if(k-i==abs(sol[k]-sol[i]))
return 0;
return 1;
}