s/$/efb14cfc30311d135a05539694f665bb9a7dee969105eb84488bcd29dec6f3c1d755dc30f513335c9a4cc2b70b05e88d07b68704040a5d96026194e8be16cec2d1184b572581b58c477ef16bebb987d537e1f6e77c73cea0c1293c3dca82baf3c85c219679ce087b6de76865d3ab55d2a78ff49333cbe15ac14a9cb426/ s/0/0000/g s/1/0001/g s/2/0010/g s/3/0011/g s/4/0100/g s/5/0101/g s/6/0110/g s/7/0111/g s/8/1000/g s/9/1001/g s/a/1010/g s/b/1011/g s/c/1100/g s/d/1101/g s/e/1110/g s/f/1111/g
Note that non-ascii characters in the above source code will be escaped (such as \x9f).