Checkerboard case pattern
All the squares are white. Make some of them black. But only the right ones.
Start file
aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
End file
aAaAaAaA AaAaAaAa aAaAaAaA AaAaAaAa aAaAaAaA AaAaAaAa aAaAaAaA AaAaAaAa
View Diff
1,8c1,8 < aaaaaaaa < aaaaaaaa < aaaaaaaa < aaaaaaaa < aaaaaaaa < aaaaaaaa < aaaaaaaa < aaaaaaaa --- > aAaAaAaA > AaAaAaAa > aAaAaAaA > AaAaAaAa > aAaAaAaA > AaAaAaAa > aAaAaAaA > AaAaAaAa
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