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#2 (permalink) | |
![]() Join Date: Aug 2008
Posts: 363
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Quote:
step 1 The cube supports the first tetris O OO B O step 2 Now we balance the second tetris on top of the first in such a way that they barely touch one the edges, so balancing them D DD O D OO B O step 3 You remove the cube and then put it on top of the tetris pieces B D DD O D OO O |
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