matl, 2 bytes

Result

AC

Code [DL]

jS

stdin

8796650957659817764713669929413942271060470538099037048160437892894084694431463254662556302005609546

stdout

0000000000000111111222222233333333444444444444455555555566666666666666677777777788888889999999999999

stderr

octave: X11 DISPLAY environment variable not set
octave: disabling GUI features

strace