Classic Mahjong Elimination

(1) elimination music game, there are three modes: exercise mode, primary mode, advanced mode, each mode 8 levels, only the NTH level three through, can open the N+1 level. The mahjong tiles displayed in the practice mode are all suits, but there is no step limit. The primary mode has a step limit, but only temporarily there are 4 random mahjong suits. The advanced mode has a step limit, and there are all mahjong suits
(2) at the beginning of the game, the level is selected, each level has only 30 times of operation opportunity, each time to change a card will consume an operation opportunity, when the operation opportunity is 0 enter the settlement
(3) elimination rules: after each operation, three or more identical CARDS or bombs shall be eliminated horizontally or vertically (elimination bombs shall eliminate the corresponding whole row or whole column).
(4) when the number of elimination after each operation reaches the corresponding number of prompts, special effect prompts shall be performed
(5) score settlement: eliminate 3 same CARDS or bombs +3 points each time, eliminate more than 4 +4 points, eliminate 5 or more +5 points. Combo points: double combo points +1 on the original score, triple combo points +2 on the original score... So on
(6) score more than 30 points to open 1 star, 40 points to open 2 stars, 50 points to open 3 stars
(7) after each elimination, the space eliminated will be filled by the card above,