在这个方块中，可以看到如果细胞是白色的，它的左邻是黑色的，右邻是白色的，那么这个细胞在下一步将是黑色的。

In this square, you can see that if a cell is white, its left neighbor black, and its right neighbor white, then that cell will be black in the next step.

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第六步：现在用右鼻孔吸气

Step six: Now, inhale through right nostril

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第四步：用无名指压住左鼻孔之后拇指放开右鼻孔。

Step four: Now close left nostril with ring finger and release thumb off right nostril.

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