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<Interpret> |
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The player is at row 6, column 1, and the goal is at row 1, column 1. |
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There are 9 holes. They are at: row 1, column 5; row 2, column 3; row 3, column 1; row 3, column 4; row 4, column 4; row 5, column 1; row 5, column 2; row 5, column 6; row 6, column 5. |
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<Action Plan> |
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- Moving Right (R). The player is now at row 6, column 2. This grid is safe. |
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- Moving Up (U). The player is now at row 5, column 2. This grid contains a hole! Revert this step - the player is still at row 6, column 2. |
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- Replan: Moving Right (R). The player is now at row 6, column 3. This grid is safe. |
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- Moving Up (U). The player is now at row 5, column 3. This grid is safe. |
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- Moving Up (U). The player is now at row 4, column 3. This grid is safe. |
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- Moving Up (U). The player is now at row 3, column 3. This grid is safe. |
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- Moving Up (U). The player is now at row 2, column 3. This grid contains a hole! Revert this step - the player is still at row 3, column 3. |
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- Replan: Moving Left (L). The player is now at row 3, column 2. This grid is safe. |
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- Moving Up (U). The player is now at row 2, column 2. This grid is safe. |
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- Moving Up (U). The player is now at row 1, column 2. This grid is safe. |
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- Moving Left (L). The player is now at row 1, column 1. This grid is the goal, so we stop here. |
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<Verification> |
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1. Right to row 6, column 2 (safe) |
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2. Right to row 6, column 3 (safe) |
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3. Up to row 5, column 3 (safe) |
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4. Up to row 4, column 3 (safe) |
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5. Up to row 3, column 3 (safe) |
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6. Left to row 3, column 2 (safe) |
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7. Up to row 2, column 2 (safe) |
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8. Up to row 1, column 2 (safe) |
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9. Left to row 1, column 1 (goal) |
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<Output> |
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Action plan: R,R,U,U,U,L,U,U,L |
