The market often reverses between the last number m and the first number 1, and the number 1 and the number 2. The so-called reversal, that is, the number in the series that originally represented the market high point, now represents the market low point; Numbers that used to represent market lows now represent market highs. Where there is inversion, there are always redundant numbers. If there is an inversion between the number m and the number 1, this number is M'. If there is inversion between the number 1 and the number 2, it is sent.