#include
int main()
{
int d,n=0,i=0,T;
char s1[200]={},s2[200]={};
scanf("%d",&T);
while(T--)
{int b =1;
char s1[200]={},s2[200]={};
gets(s1);
gets(s2);
getchar();
while(s1[n] != '\0')
{
n++;
}
d = n;
while(s2[i] != '\0')
{
i++;
}
printf("Case #%d:\n",b);
for(n = 0;n <= d;n++)
{
if(s1[n]==s2[0]&&s1[n+i]==s2[i])
printf("%d",n);
}
b++;
}
return 0;
}