l;char s[99];main(i){i--;l+=printf(i?"%c\n%c%*s":gets(s),s[i-1],s[l-i],l-i?l-1:0,"")*!l;l-i&&main(i+2)^putchar(s[i]);}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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