T2.1	T2.2	X1.1	X1.2	X10.1
X10.2	X17.1	X17.2	X3.1	X3.2
X4.1	X4.2	X5.1	X5.2	X6.1
X6.2	X7_4.1	X7_4.2	X8.1	X8.2