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10869
Building Construction
Medium
10880
Archeologists
Hard
10881
Reverse Game
Easy
10882
3-colorings
Medium
10883
Disk Sort
Very easy
10884
Divisible by 3
Very easy
10885
Fence Job
10886
Simple Hull
10887
AND = OR
Easy
10888
Modulo Permutations
Easy
10889
One Piece
10890
Codenames
10891
Neo-Robin Hood
Easy
10892
Mistake
Easy
10893
Calculator
10909
Bubbles and Buckets
Easy
10911
Sushi for Two
10912
The square and triangle
Very easy
10913
Simple expression
Very easy
10914
Populated areas
Very easy
10915
Phone numbers
Very easy
10916
Maximum online
Easy
10917
Meeting of Friends
Easy
10918
Matrix Figures
Easy
10919
Plagiarism Detection
Very hard
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