\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:
mark +0(0b) push +0(0b) dup geti retr call null push +10(4b) putc jump +0(0b) mark null push +1(1b) sub dup jneg -0(0b) push +91(7b) putc call null push +93(7b) putc ret mark -0(0b) push +0(0b) puti ret