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Simplified Piet Interpreter

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2022-05-13 12:00:17

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To keep the challenge from being unnecessarily complex, you will not have to consider most of the colors present in Piet, which determine what instructions are executed; instead, each type of instruction will be assigned a specific number or character (more in Code Instructions).

A codel is the basic unit of Piet code, and can be at any size. For the sake of this challenge, you can assume that a codel is a number/character.

A color block is a contiguous region of codels of the same color which is bounded by codels of other colors, or the edge of the program image. A color block can contain another color block within itself, which is counted as a separate color block from the surrounding one. Codels that share corners are not considered to be part of the same color block.

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