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| Rock images courtesy of www.bestcrystals.com |
| Exercise 3 - Build your Intuition. Click a cell in the table, which has the same rock as in the sample box on top. Continue guessing until color in the sample box on top turns gray. Click Start button or sample box to restart the game or Show button to see the rocks. It may take a few seconds to load first rock in the sample box | |
score:
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