\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 push +18(5b) push +0(0b) dup getc retr div add push -2(2b) mod dup jneg null dup retr putc jump null