You are given a tetrahedroid and a point P outside it. How many faces can be seen from P? A face can be seen form P means that if you connect P and any point in this face (exclude the boundary) with a line segment, the line segment does not intersect with other faces of the tetrahedroid.
输入解释
The input contains multiple test cases. The first line contains a number T describing the number of test cases. For each test case: The first 4 lines describe the tetrahedroid in the format below: Ax, Ay, Az Bx, By, Bz Cx, Cy, Cz Dx, Dy, Dz After that comes 1 line describing the point P in the format below: Px, Py, Pz
输出解释
For each test case, output one line containing a integer representing the number of faces can be seen from P.