Sudoku is a mathematical puzzle game originated in Switzerland at the end of the 18th century, developed in the United States and carried forward in Japan. The puzzle is a nine palace grid, and each grid is subdivided into a Jiugong grid. In each small Jiugong grid, fill in the numbers from 1 to 9 respectively, so that the numbers in each column and row of the whole big Jiugong grid are not repeated.

Sudoku game comprehensively tests the problem makers’ observation ability and reasoning ability. Although the playing method is simple, the number arrangement is ever-changing. Therefore, many educators believe that Sudoku is an excellent way to train the mind. There are many factors that affect the difficulty of Sudoku. As far as the topic itself is concerned, it includes the most difficult skills, the number of times various skills are used, whether there is a combination of hidden and hidden depth and breadth, the number that can be logically deduced from the current disk, and so on. For players, the number of skills, proficiency and observation naturally also affect the difficulty judgment of a problem.

Source: @nenufar.cl

Tarsier is the smallest known monkey species in the world. Tarsier has a particularly cool fact, that is, each of their huge eyes is actually heavier than their brain. Tarsier is a small primate with many unique characteristics. Its fossil history can be traced back to 50 million years ago.

Tarsier is one of the smallest primates, one of the oldest primates and the only fully carnivorous primate. This is a spectacular looking small animal with huge eyes, delicate elf like nose and sweet smile. Their hands and fingers are expressive, and their hind legs are strangely folded and curled under their stomachs.

Source: @tommipdc

The meaning of roe deer tattoo is cute and curious. Because roe deer run very fast when pursued by hunters, hunters can’t catch up, but it has a fatal disadvantage, that is, in the process of running, it will stop to look back, so as to take the opportunity of hunters… Therefore, local people call robes silly roe deer.

Roe deer are herbivores. Roe deer have yellow grass, white hair under the tail root, male roe deer have horns and female have no horns. Roe deer is one of the animals with high economic value. Roe deer like to eat the twigs, buds, leaves and all kinds of grass, small berries and mushrooms of shrubs. In spring, like deer, they often add salt to the saline ground.

Source: @1877tattoo

Holly tattoo means tenacious life. Because Holly begins to bear fruit while flowering. The flowering period is in summer, that is, it begins to bear fruit in summer. In autumn, the fruit will slowly turn red and hang on the branches until April of the next spring. Even in the cold winter, it will not fall, but still stand firmly on the branches. So Holly tattoo has the meaning of tenacious life.

The vitality of holly in North America is very tenacious. Even if it is planted in the open field, it will not die in winter and will continue to germinate and grow in spring. It symbolizes tenacious life and represents the value of life. It is said that people blessed by Holly will be healthy, long-lived and happy. Therefore, it is more suitable for the elders at home, which represents the hope that they can live a long and healthy life and has a beautiful moral.

Source: @abbiepriceart

Leafeon is one of the baokemeng series of the game. Because it needs photosynthesis like plants, there is often a feeling of fresh air around it. The acquisition method is moss stone edge upgrade evolution in Yibu Baidai forest, and ye Zhishi evolution is used in the eighth generation.

Leafeon supplements nutrition through photosynthesis. Living quietly in the depths of the forest with clear rivers. Leafeon itself is not aggressive, but if it is to protect his partners, he will sharpen the leaves on his tail and turn them into blades to fight. Leafeon is very gentle and rarely competes with other baokemeng for food, but more cooperates with his own light to produce energy.

Source: @_ash_tattoo