Cyclic Polyglot Challenge (Cops)
C (gcc), 126 bytes

M=N+1  

Levenshtein(polyglot(M),polyglot(N)) is 36 bytes 



#include&lt;stdio.h&gt;
#define print(a) main(){int z[1];if(sizeof(0,z)==4)printf("C(gcc)");else printf("Perl5");}
print("C++(gcc)")


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