T = int(input())

ans = []
for _ in range(T):
    C = list(map(int, input().split()))
    H = list(map(int, input().split()))
    
    for i in range(0,C[1]):
        if max(H[0:C[1]-1]) != H[0] | max(H[C[0]-C[1]]) != H[C[0]-1]:
           ans.append("No")
           break
    M = []
    for i in range(0,len(H)):
        M.append(H[i]%C[2])
    
    for i in range(1, len(C)):
        if M[i] == M[0]:
            continue
        else:
            ans.append("No")
            break
    else:
        ans.append("Yes")

for i in range(0,len(ans)):
    print(ans[i])