\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 +1(1b) mark null push +1(1b) sub push +0(0b) call +0(0b) jneg null mark -0(0b) push +10(4b) putc dup mark +0(1b) push +32(6b) putc push +1(1b) add dup jneg +0(1b) call +0(0b) jneg -0(0b) jump null mark +0(0b) dup getc retr dup putc push -16(5b) mod ret