\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:
push +1(1b) mark null dup dup getc retr dup copy +2(2b) div push -1(1b) mul jneg null dup dup copy +4(3b) sub jneg +0(0b) copy +2(2b) mark +0(0b) putc jump null