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My heart suddenly moved, thinking of a series of unbelievable things that had just happened, and I immediately made a judgment, that is, my grandmother had something to say to me before she died, and there was a secret in this wall!

I knocked around the portrait and saw that the wall was not completely hollow. It seems to present a square pattern, about thirty or forty centimeters in length and width, like a small grid where things are placed, and the portrait of the master completely conceals this hollow place.

I immediately took the portrait of the Master from it, and suddenly I noticed that there was something in the place where the portrait of the Master was hidden. This thing is a nine-square grid, with nine numbers from one to nine neatly arranged on it.

The difference is that the numbers from this to nine are all uppercase Chinese characters, and looking at the style of this thing, it seems to be a very old thing. My heart moved, is this a password? Or is it a trap?

There are nine small squares on it, all carved from bamboo and wood, and when I look closely, I find that there is not only a number on each small box, but also some words carved on the top of the number that I can't read...... Or rather, some kind of symbol.

When I saw these symbols, I felt a pain in my head, as if a person had put a big bell on my head and struck the bell with a hammer, which made my brain buzz, and I had a faint feeling, which was a kind of resonance......

At this moment, I immediately thought of the symbols I saw in the dungeon below the center of the desert.

The symbols on this are surprisingly consistent with the symbols on the walls of the dungeon! Is there any relationship between the two?

I turned my head to look around, and suddenly thought of the old woman's actions before she died.

Before she died, the old grandmother stretched out a finger...... Could it be that the old lady is giving me some kind of hint? I frowned, and the old woman stretched out a finger, could it be that she wanted to tell me that the first number was one?

I immediately pressed my hand on the number one, and as soon as my hand touched the number one, I felt an invisible force repelling me, and my fingers were surprisingly painful, as if they were about to be broken! I quickly removed my fingers from the top of the nine-square grid.

After taking it down, I saw that there were bursts of golden ripples on the surface of this nine-square grid, and cracks appeared on this wall at this time...... I knew that I had pressed the wrong button, and if nothing else, if I pressed the wrong press twice, the wall would collapse, and the secret hidden in it would disappear with me......

I thought about it, it seems that if I guess casually, it is not a solution, my eyes swept to the candlestick, and found that there was a red belt on the candlestick, this red belt is made of cloth, that is, the kind of belt that the elderly like to wrap around the waist, at first glance, this belt is no different from an ordinary belt, but if you look closely, it is not like this!

This belt is obviously much longer than an ordinary belt!

Ordinary belts are usually about three to four feet, but the red belt on this table is nearly three meters long!

At first glance, you can't tell it's a belt.

My heart moved, and when I thought about it, I thought that my grandmother should not deliberately put her belt in such a conspicuous position, right? This belt is placed under the three candlesticks, so that people can see at first glance, is there any deep meaning in this belt?

Calculate the length of this belt, it seems......

I know!

I immediately tied one end of the belt to the grandmother's fingers, and the other end was directly pulled to the nine-square grid, and then deliberately straightened so that the top of the grandmother's fingers extended out...... The other end of this belt, unbiasedly, is exactly aligned with the number five!

I sighed secretly, and then understood the deep meaning of the old grandmother's belt...... Without hesitation, I darkened the number five, and suddenly I heard a rumbling sound, and a few wisps of dust fell from the roof......

I was shocked, could I have pressed the wrong button again? Is there an earthquake now? I quickly ran under a table and hid, and after a while, the dust on the roof stopped falling, and the rumbling sound gradually disappeared, and I crawled out from under the table in surprise and walked to Jiugongge again.

At this time, the number five on the nine-square grid had been deeply sunken, and what appeared in front of me was a bottomless black hole......

But this hole is very small, only the size of a finger, I naturally can't get into this small hole, I have heard Master say before, this thing is called Jiufang Lock, it is the earliest combination lock in ancient times. To put it bluntly, it is composed of a nine-digit password, and it is not possible to press the wrong number in it...... Don't underestimate these nine numbers, just nine numbers, but hundreds of millions of solutions can evolve!

The first number was five that I figured out, but I wasn't happy at all.

Because there are still eight numbers left, I can crack one-ninth at best, and now there are eight nineties left for me to crack. I thought about it, if my grandmother had left me a hint for the belt, would she leave me any other hint in the house?

I nodded to myself, and my eyes couldn't help but look at the top of the candlestick again. I was a little surprised, the elderly are usually very economical, but the old grandmother lit three candles in a room, and these three candles turned out to be long-lived wax......

Long-lived wax, is a particularly coarse, burning for a long time of the kind of candle, the breeze may not be able to blow out, a better long-lived candle, can burn in a windless environment for seven days and seven nights, and the grandmother's three long-lived wax, but the kind of candle I said is quite good quality!

I immediately felt that something was wrong, and when I thought of these three candles, I came up with a number three...... Could it be that the next number is not three?

I was secretly sure, and then without hesitation, I aimed at the number three and pressed it! To be honest, the moment I pressed it, I felt an inexplicable palpitation and panic, and I didn't know what would have happened if I pressed it wrong......

After pressing it, more dust fell on the roof, this house is the kind of mud tile house in ancient times, it has fallen into disrepair, and it looks crumbling after such a toss, maybe I cough loudly in this house and the house will collapse.

After pressing this for a moment, there was a crisp sound from inside the wall, as if the lock was opened with a key, and the iron rods inside were grooved...... I exhaled deeply, and as I expected, this second number was not false!

The more numbers I cracked, the happier I became...... Because the further back you go, the less chance you have of getting a hint! The more pressure you face, the more pressure you face......

When I cracked the third number, I hit a bottleneck, and even though I turned the house around, I couldn't find any hints from my grandmother...... A cold wind blew through the room, and I couldn't help but shiver a little......

I sighed and sat down in my chair, staring blankly at the three candles, trying to figure out how to crack the numbers below......

Suddenly, a flash of inspiration flashed through my mind.

Grandma's three long-lived candles are the best long-lived candles, is the third hint of grandma still not in this candle?

As mentioned above, a better long-lived candle can burn for seven days and seven nights in windless conditions, and a worse one can burn for a day or two...... A little better...... Seven Days and Seven Nights......

I muttered to myself, could it be that the third hint my grandmother gave me was in this number seven?

I hesitated a little at this moment, turned my head and subconsciously glanced at the old woman's corpse, and found that she was still dead...... No matter! Fight!

I stood up and walked over to the nine-square grid again, and pressed the number seven......

Bang Bang Bang ......

There was a crisp sound, and most of the wall skin fell off at once! From time to time, bricks and tiles fell on the roof, but the house just didn't collapse...... Looks like the house is about to reach its limit, and if I make a mistake or two more, I'm afraid it will collapse......

And the two numbers five and three, which I just pressed, are also ejected back at this time......

I sighed, and it seemed like I was wrong......

I pressed the numbers five and three down in order, and it occurred to me that this candle could burn for seven days and seven nights, but there was not only one seven! It's two sevens!

These two sevens, seven seven forty-nine, are the number of the Great Yan God!

I didn't hesitate to press down on the number four, the number four was pressed by me like this, directly deep depression, seeing the number four depression, there was nothing unusual, I also pressed the number nine with peace of mind.

This third hint turned out to be here, and I couldn't help but begin to admire this old woman's thinking, which was able to deduce so well...... In addition to admiration, more is still frightened...... Did the old grandmother know that she would die today? Why is she putting so many things out here? Was all this planned?

I don't know, but I only know that before rescuing Wang Zitian and the others, I must understand the secrets behind this nine-square grid, maybe after knowing the secrets in this nine-square grid, I can still save Wang Zitian?

By now, I've cracked the first four digits of the code, and only the last five digits remain......

At this moment, a fierce wind blew, and the candle on the table was extinguished!