Traditionally, stepping between commercial and consumer graphics has always been separated by six month period.

传统上，加强商业和消费者之间的图形一直受到六个月分开。

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Tangram is puzzling game, including seven pieces of geometric dissections which are separated from a square. It can compose and piece up to over 1,000 Graphics.

七巧板是一种拼图游戏，由一个正方体分割出来的七块几何色板组成，通过拼凑、组合可以砌出过千的图案。

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