\x09 \x09 \x09\x09\x09 \x09\x09 \x09 \x09\x09 \x09 \x09 \x09\x09 \x09\x09\x09\x09 \x09 \x09 \x09 \x09
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
push +0(0b) mark null dup getc retr push +48(6b) mod mark +0(0b) dup push +10(4b) stor push +0(0b) retr putc dup jzero null push +1(1b) sub jump +0(0b)