\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 \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 null push +10(4b) mul push +0(0b) dup getc retr push +48(6b) sub dup jneg +0(0b) add jump null mark +0(0b) pop push +0(0b) dup geti mark -0(0b) push +1(1b) add swap push +0(0b) retr div swap push +10(4b) copy +2(2b) sub jneg -0(0b) puti putc push +0(0b) jump null