\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) dup mark null copy +1(1b) puti push +1(1b) add dup copy +2(2b) push +10(4b) mul add swap dup push +9(4b) sub jneg null pop mark +0(0b) puti jump +0(0b)