\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 -9(4b) push +0(0b) mark null dup dup geti retr add swap push +1(1b) add swap copy +1(1b) jneg null puti