class Input_kyopro:
    def II(self): return int(input())
    def MI(self): return map(int,input().split())
    def MS(self): return map(str,input().split())
    def LMI(self): return list(self.MI())
    def LMS(self): return list(self.MS())
    def LLI(self,N): return [self.LMI() for _ in range(N)]
    def LLS(self,N): return [self.LMS() for _ in range(N)]
    def LS(self,N): return [input() for _ in range(N)]
    def LSL(self,N): return [list(input()) for _ in range(N)]
    def LI(self,N): return [self.II() for _ in range(N)]
I=Input_kyopro()
#入力
T=I.II()
for _ in range(T):
    M=I.II()
    d=I.LMI()
    X=0
    now=0
    for i in range(9):
        while d[i]:
            X+=(i+1)*pow(10,17-now)
            d[i]-=1
            now+=1
    X+=M-X%M
    print(X)