Fun With The Diagonal
change the lowercase characters on the main diagonal to uppercase
Start file
a a a a a b b b b b c c c c c d d d d d e e e e e
End file
A a a a a b B b b b c c C c c d d d D d e e e e E
View Diff
1,5c1,5 < a a a a a < b b b b b < c c c c c < d d d d d < e e e e e --- > A a a a a > b B b b b > c c C c c > d d d D d > e e e e E
Solutions by @lifepillar:
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