import sys
input = sys.stdin.readline

N=int(input())

for i in range(N):
    x1,x2,x3,y1,y2,y3=map(int,input().split())

    if y1==y2 and x1==x2:
        print("NO")
        continue

    if y1==y3 and x1==x3:
        print("NO")
        continue

    if y2==y3 and x2==x3:
        print("NO")
        continue

    A=[]# x1<x2
    B=[]# x2<x1
    C=[]# x1<x3
    D=[]# x3<x1

    # x1+ay1<x2+ay2

    if y1==y2:
        if x1<x2:
            A=[0,10**18]
        elif x2<x1:
            B=[0,10**18]

    elif y1<y2:
        a=(x2-x1)/(y1-y2)

        if a<=0:
            A=[0,10**18]
        else:
            A=[a,10**18]
            B=[0,a]
    else:
        a=(x2-x1)/(y1-y2)

        if a<=0:
            B=[0,10**18]
        else:
            B=[a,10**18]
            A=[0,a]

    if y2==y3:
        if x3<x2:
            C=[0,10**18]
        elif x2<x3:
            D=[0,10**18]

    elif y3<y2:
        a=(x2-x3)/(y3-y2)

        if a<=0:
            C=[0,10**18]
        else:
            C=[a,10**18]
            D=[0,a]
    else:
        a=(x2-x3)/(y3-y2)

        if a<=0:
            D=[0,10**18]
        else:
            D=[a,10**18]
            C=[0,a]

    if A!=[] and C!=[]:
        a,b=A
        c,d=C

        if a>c:
            a,b=C
            c,d=A

        if b>c:
            print("YES")
            continue

    if B!=[] and D!=[]:
        a,b=B
        c,d=D

        if a>c:
            a,b=D
            c,d=B

        if b>c:
            print("YES")
            continue

    print("NO")