perl -e 's/^/pack+q.a..($^F^$^F**$^F),qq^\x19"\x11\x04mX^^\$\//e/print +' [download]
perl -E'@C=(split$C,$C.\"cC")[++$^C..$^C<<$^C+($^C)];for(@C,$c,$c,$c){ +$C[$_]++for$C,2,$#C};$C[$^C<<1]^="\cC";say@C' [download]