Curious Cheetah
Déjà Vu
Background
This puzzle appears in "Challenge Your Brain Math & Logic Puzzles" (Dave Tuller & Michael Rios, Puzzle Wright Press).
Puzzle and Goal
An unsolved puzzle consists of a rectangular grid with letters in some of the cells.
The goal is to divide the grid into regions that satisfy the clues.
Rules
The solved grid must satisfy the following conditions:
Each region contains exactly one letter, which indicates the number of cells in that region (A=1, B=2, etc.).
If two regions have the same letter, they're shaped and oriented the same way.