Puzzle #51 - Tapa

I wrote this Tapa intending a particular deduction to be necessary at the start of the puzzle. It transpires that not only was that step not necessary in order to solve the puzzle, it wasn't even an original idea. I still like the more standard way in which the puzzle solves, though.

Rules

Shade some cells so that all shaded cells form one orthogonally-connected area. Clues cannot be shaded, and represent the lengths of the blocks of consecutive shaded cells in the (up to) eight cells surrounding the clue. No 2x2 area can be entirely shaded.

Difficulty: 3/10





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