\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) dup getc retr mark -0(0b) dup putc call null call null jump -0(0b) mark null dup dup getc retr putc ret