\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 null push +10(4b) dup dup geti retr dup push +1(1b) add dup copy +2(2b) add mul mul push +6(3b) div puti putc jump null