\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 +6(3b) mark null push +1(1b) sub dup dup getc jzero +0(0b) jump null mark +0(0b) retr puti