How to spell the words "qi" and "qiao" using a jigsaw puzzle?

The way to spell the jigsaw puzzle into two Chinese characters "qi" and "qiao" respectively. For the sake of simple description, the numbering method is used here:

The first step is to put the seven pieces of the jigsaw puzzle together. The boards are numbered respectively, as shown in the picture:

The serial number in the above picture is the standard. According to the principle of one-to-one correspondence, the Chinese character seven is spelled out:

Similarly, the Chinese character Qiao is spelled out:

Extended information

The tangram is composed of the following seven boards. The complete pattern is a square: five isosceles right triangles (two small triangles, one medium triangle and two large triangles). triangle), a square and a parallelogram.

One of the most popular puzzles of the nineteenth century was the tangram. The popularity of the jigsaw puzzle is probably due to its simple structure, easy operation, and ease of understanding. You can use the jigsaw puzzle to create random patterns of your own design, but if you want to use the jigsaw puzzle to create a specific pattern, you will encounter a real challenge. That’s the fun part of tangram puzzles.

The simple structure of the tangram can easily lead people to believe that it is easy to solve its problems. In fact, this idea is one-sided. There are more than 1,600 patterns that can be pieced together using tangrams. Some of them are easy to piece together, some are quite mysterious, and some are paradoxical and full of contradictions.

Reference: Baidu Encyclopedia Tangram