\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 +0(0b) getc push +0(0b) retr dup jneg -0(0b) putc push +0(0b) getc jump +0(0b) mark -0(0b)