Start with the last one: second row, left: second row first, first row first, right: first row second, first row third. Draw from the starting point in numerical order and in the direction indicated by the arrow. You can draw a connected graph composed of even points at one time. When drawing, you can use any even point as the starting point, and finally use this point as the end point to complete the drawing.
Extended data:
Any connected graph with only two singularities (the rest are even points) can be drawn with one stroke. When drawing, one singularity must be the starting point and the other singularity must be the end point. Other situations can't be drawn in one stroke. If there are an even number of singularities divided by two, you can work out how many strokes are needed for this diagram. )
Olympic symbols/symbols The Olympic rings were conceived and designed by Mr. Pierre De Coubertin in 19 13, and were determined by the Olympic Charter. It is also known as the Olympic five-ring symbol and the most widely recognized Olympic symbol in the world.
References:
Light. Draw the Olympic rings with rape and wheat.