\x09 \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 +0(0b) mark null dup dup dup geti retr dup puti push +10(4b) putc push +2(2b) mod add add dup push +15(4b) sub jneg null