\x09 \x09 \x09\x09\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:
mark +0(0b) push +9(4b) push -478(9b) mark null push +0(0b) dup getc retr add dup jneg null sub puti push +0(0b) retr putc jump +0(0b)