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Quick Summary

Transform each consonant in a lowercase string to its immediate successor in the alphabet.
Vowels remain unchanged while consonants cycle back to 'b' after 'z'.
Process the input in a single pass to build and return the modified string.

What This Tests

String traversal and character classification
Constant-time lookup table construction
Cyclic boundary handling
Optimized time and space complexity

Common Patterns

Hashing

Test Cases

Input

Output

Expected