What are the four structures of traditional patterns in qq dazzle dance?

Four-key mode is a game mode of QQ dazzle dance.

1 and four bonds refer to these four bonds.

2, the traditional four keys is to play with these four keys when playing the traditional mode.

3. Four-key mode is operated with index finger, middle finger and ring finger.

4. There is also an eight-key mode, which is different from the four-key mode.

5. Eight keys means playing with the keys on the keyboard. 7 is ↖ 8 is ↗ 9 is ↗ 4 is ← 2 is ↓ 6 is → 1 is ↙ 3 is ↘ 0 is a space, or press with the space bar.