#include <stdio.h>
int main(void) {
int i,j,k;
for(i=1;i<=4;i++)
{
k=1;
for(j=1;j<=7;j++)
{
if(j<=5-i || j>=3+i)
{
j<4?k++:k--;
}
else
{
if(i>1 && j==4)
k--;
}
}
}
return 0;
}
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