Day: June 4, 2016

1. GO
2. USACO
3. freecell
4. sudoku

1~999999

916343,

1000000~1999999

 

2000000

2416098

3000000

3963289

4000000~4999999

4562572

5000000~5999999

 

6000000~6999999

6523718

……

8000000~8999999

8283851