X13.1	X13.2	X14.1	X14.2	X15.1
X15.2	X18.1	X18.2	X19.1	X19.2
X20.1	X20.2	X23.1	X23.2	X24.1
X24.2	X25.1	X25.2	X26.1	X26.2
X27.1	X27.2	X35.1	X35.2	X36.1
X36.2	X43.1	X43.2