x
y
z
a
b
c
R1C1-2
R2C1
R2C2
R3C1
R3C2
R1-2C1
R1C2
R2C2
R3C1
R3C2
R1C1-2
R2-3C1
R2C2
R3C2
x
y
z
a
b
c
x
y
z
a
b
c