These tiles seem to be some sort of puzzle, on the floor of MIT building 56. The photos are in order along the hallway from west to east. The photos were taken facing north, so the left side of the photo is the west side. Partway down the hallway, on a panel describing historic pranks, is what looks like a key. A photo of this is at the bottom of the page. I made some binary summaries of the tiles on the right, recording white as 1 and black as zero.
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101100 110001
000101 110111
110000 110100
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011101 100011
111011 101100
110111 000111
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110000 110100
101111 111111
111011 101101
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010011 100011
111111 111101
110011 111111
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110000 101011
001101 101101
111000 111111
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111111 001101
101110 111011
100011 010011
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101100 101011
110101 101101
111111 110100
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111001 001011
111111 111101
110111 101111
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101101 101101
011111 111011
110100 111011
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100011 001101
101001 110001
101011 011101
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111111 101100
011101 100011
101101 101100
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001111 110101
100111 111111
110101 101101
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111110 110110
101111 110111
101100 110010
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001101 100011
111011 101101
110111 000011
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111101 110111
001011 111111
110100 100111
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100011 010111
101110 111111
111001 010011
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111111 111101
001111 111111
111011 110011
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101111 111011
111001 111111
010011 111011
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