fix standard headers and header spacing in winner README.md files

1994/imc/README.md

@@ -7,12 +7,14 @@ Bolton\
 BL3 4LG\
 England
 
+
 ## To build:
 
 ```sh
 make all
 ```
 
+
 ## To use:
 
 ```sh
@@ -21,7 +23,8 @@ make all
 
 where `[NUMBER]` is an optional number. Default is 5.
 
-## Try:
+
+### Try:
 
 ```sh
 ./imc 3
@@ -32,6 +35,7 @@ where `[NUMBER]` is an optional number. Default is 5.
 ./imc 13
 ```
 
+
 ## Judges' remarks:
 
 This entry's algorithm is as magic as its output!
@@ -88,6 +92,7 @@ The square which is returned will (or should) be a permutation of the
 numbers 1 to `n*n` in which all rows and columns and the two diagonals
 add up to `n*(n*n+1)/2`.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.