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11133
Boris and Berta
Medium
11134
Clean Up!
Very easy
11135
Day Streak
Very hard
11136
Extreme Problem
Easy
11137
First to Solve
Very hard
11138
Grand Center
Easy
11139
Halfway There
Medium
11140
Imprecise Permutation Sort
Very hard
11141
Journey in Fog
Very hard
11142
Kaleidoscopic Route
Easy
11143
Letters Q and F
Medium
11144
Multithreaded Program
Hard
11145
New White-Black Tree
Very hard
11146
Officials and Roads
Medium
11147
Bomb disposal
Very easy
11148
Corrupted password
Medium
11149
Cyber hack
Very easy
11150
Building escape
Medium
11151
Sum a + b
Very easy
11152
Last symbol
Very easy
11153
Kefa and Park
Very easy
11154
Fence Painting
Very easy
11155
Speeding Ticket
Very easy
11156
Contaminated Milk
Easy
11157
Switching on the Lights
Very easy
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