\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 null push +10(4b) dup dup getc retr dup push +100(7b) putc putc push +58(6b) putc push +32(6b) putc putc putc jump null