#include <iostream>

#include <iomanip>

using namespace std;

int main(void){

int m,n,t,i,j;

double rate[6][6];

double money;

long temp;

cin>>n;

for(t=0;t<n;t++){

if(t) cout<<endl;

for(i=1;i<=5;i++){

for(j=1;j<=5;j++){

cin>>rate[i][j];

}

}

while(cin>>m&&m!=0){

int* a=new int[m];

for(i=0;i<m;i++) cin>>a[i];

cin>>money;

money*=rate[1][a[0]];

temp=long(money*1000);

if(temp%10<5) money=(double)(temp/10)/100;

else money=(double)(temp/10+1)/100;

for(i=1;i<m;i++){

money*=rate[a[i-1]][a[i]];

temp=long(money*1000);

if(temp%10<5) money=(double)(temp/10)/100;

else money=(double)(temp/10+1)/100;

}

money*=rate[a[m-1]][1];

temp=long(money*1000);

if(temp%10<5) money=(double)(temp/10)/100;

else money=(double)(temp/10+1)/100;

cout<<setiosflags(ios::fixed)<<setprecision(2)<<money<<endl;

delete []a;

}

}

return 0;

}