输入描述:

The first line contains a positive integer T.
For each case, there will be six lines,each lines contain two integers,means the x, y coordinates of points.
And the first three lines are the vertexs of the first triangle.
The second three lines are the vertexs of the first triangle.

输出描述:

For each case ,if two triangles are similar then  print "YES",else print  "NO".

2
0 0
0 1
1 0
1 1
0 1
1 0
0 0
0 1
1 0
2 2
2 0
1 0

YES
NO