\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) dup dup geti retr sub mark null push +0(0b) retr puti push +1(1b) add dup jneg null