>>> Prompt tweaks:
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- Miner - The Miner works almost the same as the Digger, the only difference is that it will dig a tunnel diagonally downwards, in the direction it was walking. The size of the tunnel it is digging is 150% of the height of the lemming.
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Reuse functions where possible. If you use functions that are not in the snippet above, give me those as well.
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Give me only code, I don't need explanation.