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5757
Firefighters
5758
Binary Polynomials
5760
Deposit
Easy
5762
Test
Medium
5764
Wheel
5765
Canaries
5766
Ostrich Farm
Easy
5767
Ceramic tile
Hard
5768
Numbering of series
Very easy
5769
Sale
Easy
5770
Numbers in Wonderland
Very hard
5771
Traffic Rules
Very hard
5772
Petya is resting
Very hard
5773
Decoding
Very hard
5774
Ostrich Passions
Very hard
5775
Chairs
Hard
5776
Phigon
Very hard
5786
Grey Area
Very hard
5787
Expected Allowance
Very hard
5788
Stopped Watches
5789
Digits on the Floor
Medium
5790
Spherical Mirrors
Very hard
5791
Traveling Cube
Very easy
5792
Search of Concatenated Strings
Very hard
5793
Top Spinning
Very hard
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