\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 +0(0b) mark +0(0b) dup dup getc mark -0(0b) dup retr dup push +47(6b) sub dup jneg null dup push +11(4b) swap sub jneg null swap pop sub jump -0(0b) mark null swap putc jneg +0(0b) pop push +1(1b) add jump +0(0b)