# Convert 2D table to single colum

Hi i have 2D Table

X1 X2 X3 X4

Y1 Y2 Y3 Y4

Z1 Z2 Z3 Z4

I want output

X1

Y1

Z1

X2

Y2

Z2

X3

Y3

Z3

How to do that without copy & paste colums. Is there any handy tool ?