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@@ -393,6 +393,22 @@ The agent has to pick up a box which is placed in a corner of a 3x3 maze.
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The doors are locked, the keys are hidden in boxes and doors are obstructed
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by balls. This environment can be solved without relying on language.
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+## Lava gap environment
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+
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+Registered configurations:
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+- `MiniGrid-LavaGapS5-v0`
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+- `MiniGrid-LavaGapS6-v0`
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+- `MiniGrid-LavaGapS7-v0`
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+
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+<p align="center">
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+ <img src="figures/LavaGapS6.png" width="200">
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+</p>
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+
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+The agent has to reach the green goal square at the opposite corner of the room,
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+and must pass through a narrow gap in a vertical strip of deadly lava. Touching
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+the lava terminate the episode with a zero reward. This environment is useful
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+for studying safety and safe exploration.
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+
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## Lava crossing environment
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Registered configurations:
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Maxime Chevalier-Boisvert