Puzzle Mahjong

New sense Mahjong puzzle game!

Select 3 tiles from table with same suits & contiguous numbers(chow), or with exactly the same kind(pung).
After pung, select one more same tile, can make 4 tiles set(kong).

These (chow, pung and kong) are all called ‘set’.

Make ‘Yaku’ with 4 sets, and get score!