May Club DeckPoints: Totaling

Challenge yourself with a quick solitaire game.
Inspired by the game blackjack, however the rules will change that you need to grasp.
The value of the cards ranges from 2 to 9 respectively.
The cards 10/J/Q/K have a value of 10.
The Ace card can have a value of 1 or 11 depending on whether the situation is beneficial or not.
There are 2 game modes:
- Fast time: When time is limited, you need to create consecutive cards with a total of 21. The maximum number of cards per stack is 10.
- Limit Stack: Maximum 52 cards of the deck, you need to create the best possible pairs of cards. Blackjack combo will multiply the score by 10. If the total is less than 21, you can choose STAY to receive points. However, if it is greater than 21, points will be deducted immediately.

Let's create new records together.