\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 \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 +255(8b) mark null push +1(1b) add dup push +0(0b) mark +0(0b) push +2(2b) mul copy +1(1b) push +2(2b) mod add swap push +2(2b) div swap push +1(1b) copy +2(2b) sub jneg +0(0b) puti push +10(4b) putc pop dup push +511(9b) sub jneg null