Kill time(SichuanFlag)

Sichuan is a game that erases the same flag in pairs.

※ The rule is simple

1. You can erase with the same pair of two flags.

2. The two flags are in a position that can be connected with three or fewer lines.

※function

1. Background color setting, sound volume adjustment

2. Search for disappearing flags

3. Display the top 100 results (time)