\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 -10(4b) dup mark null push +1(1b) add swap push +0(0b) dup getc retr sub swap dup jneg null retr swap push +71(7b) mod puti putc jump +0(0b)