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11682
Special Deal
Medium
11683
Fuad’s challenge
11684
Prizes
11685
Average Permutation
11687
Two numbers
11688
TV
11689
Friends
11690
Batteries
Medium
11691
Electrical switches
11692
Lamps
Medium
11693
The Chess Board
11694
Pets and Friends
11695
The Legend Was Invented, but Not the Name
11696
Chasing Chmyaaax
11697
The Root of Evil
11704
Ciekl commander
11705
Pref Suff Chmyaaax Diff
11706
Warm-up Equation
11707
The Queue
11708
Infinity Tree
11709
Anton's Vyshyvanka
11710
Mirror Tree?
11711
Знайдіть суми
11712
Sakurako's Birthday
11713
Math Test
Easy
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