//

 #include <stdio.h>

 #include <string.h>

 #include <iostream>

 #include <math.h>

 #define PI acos(-1.0)

 using namespace std ;

 int main()

 {

     int k;

     double a1,a2,a3,a4,sum;

     double c,m,n,t;

     scanf("%d",&k) ;

     for(int i =  ; i <= k ; i++){

        scanf("%lf %lf %lf %lf",&m,&n,&t,&c) ;

         sum = m*n*t*t;

         a1 = (t-c)*(t-c)*n*m+(c*(t-c)+c*c/4.0)*+c*(t-c)*(n+m-) ;

         a2 = (m-)*n*t*c+(n-)*m*t*c-*(m-)*(n-)*c*c;

         a3 = (m-)*(n-)*c*c*(-PI/);

         a4 = (m-)*(n-)*c*c*PI/;

         printf("Case %d:\n",i);

         printf("Probability of covering 1 tile  = %.4f%%\n",*a1/sum);

         printf("Probability of covering 2 tiles = %.4f%%\n",*a2/sum);

         printf("Probability of covering 3 tiles = %.4f%%\n",*a3/sum);

         printf("Probability of covering 4 tiles = %.4f%%\n",*a4/sum);

         printf("\n");

     }

     return  ;

 }