T=int(input())
ans=[]
for _ in range(T):
    N=int(input())
    A=list(map(int,input().split()))
    ok=True
    for i in range(N):
        B=A[5*i:5*i+5]
        if not (B[0]==B[2] and B[1]==B[3]==B[4] and B[0]!=B[1]):
            ok=False
            break
    ans.append('Yes' if ok else 'No')

import sys
sys.stdout.write('\n'.join(map(str,ans))+'\n')