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Contest has finished at 2010-08-03 17:00.

ID Problem
A Single color triangles
B Game of Connections
C Bags and balls
D Choose
E 序关系
F windy's cake II
G Simple Computing
H Simple Computing II
I 球钟
J Free square
K Rescue Me II
L Distribute The Apples II
M Line of Dice
N K Lovely Permutation
O Triangles
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