\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 +0(0b) mark null push +1(1b) add dup dup getc retr push +10(4b) swap sub jneg null push +1(1b) mark +0(0b) push +1(1b) add push +0(0b) mark -0(0b) push +1(1b) add dup retr putc dup copy +3(2b) sub jneg -0(0b) pop dup copy +2(2b) sub jneg +0(0b)