Worksheets for a mental arithmetic or logic puzzle game, designed for Level 1 practice.

Let’s solve the abacus problems step by step. These are mental math exercises where you add and subtract numbers in sequence, column by column (each column is a separate problem). We’ll go sheet by sheet, row by row.

We’ll start with Sheet No. 1, then do Sheet No. 2.

---

🟦 Sheet No. 1 — Level-1

Each row has 20 columns. Each column has 3 numbers to add/subtract vertically.

We’ll compute each column one at a time.

---

#### Row A:

Column 1:
2 + 5 = 7 → but wait, looking again: it's written as:
Top: 2
Middle: 5
Bottom: ? Actually, let me re-read the layout.

Actually, looking carefully — each cell in the grid contains three numbers stacked vertically: top, middle, bottom. You add them all together for that column.

Wait — no! In abacus mental math sheets like this, typically:

→ The top number is the starting value or first operand.
→ The middle number is added or subtracted (if negative).
→ The bottom number is also added or subtracted.

But actually, in standard “Master Mind Abacus” worksheets, each column represents a single calculation: you start from zero, then apply the three operations in order: top, then middle, then bottom.

BUT — looking at the format, it seems each column has three rows of numbers, and you sum them vertically per column.

Example: Column 1, Row A:

Top: 2
Middle: 5
Bottom: (blank? Wait, no — in Row A, under column 1, we see:

Actually, let me parse Row A properly.

Looking at Row A (first big block):

It says:

Row A:
Col 1: 2 (top), 5 (bottom) — wait, there’s only two numbers? No — look again.

Actually, in the image, each small rectangle in the grid has three lines:

For example, in Row A, Column 1:

Line 1: 2
Line 2: (blank?) — no, wait, I think I misread.

Let me reconstruct based on typical structure.

In such worksheets, each column has three entries: often labeled as:

First line: positive number
Second line: negative number (with minus sign)
Third line: another number (positive or negative)

But in Row A, for Column 1:

It shows:

2
5

Wait — that can’t be right. Let me check Column 2:

Column 2:
2
1

Still two numbers? That doesn't make sense.

Wait — perhaps the formatting is:

Each column has three rows within the same box:

Looking back at user’s image description (since I can’t see image, but based on text provided):

In Row A, Column 1:
"2" on top, "5" below — but maybe that’s not correct.

Actually, rereading the original input:

The user pasted text representation:

For Row A:

```
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A 2 2 3 1 4 6 7 2 6 8 3 1 2 3 1 8 6 5 9 7
5 1 1 3 5 3 1 7 1 1 6 6 7 5 8 -2 -1 -5 -8 -2
```

Ah! Now I see — each row label (A, B, C, etc.) corresponds to a set of 20 columns, and for each column, there are two or three numbers listed vertically.

Specifically, for Row A:

There are TWO lines of numbers under the header:

Line 1: 2, 2, 3, 1, 4, 6, 7, 2, 6, 8, 3, 1, 2, 3, 1, 8, 6, 5, 9, 7
Line 2: 5, 1, 1, 3, 5, 3, 1, 7, 1, 1, 6, 6, 7, 5, 8, -2, -1, -5, -8, -2

So for each column in Row A, you add the two numbers.

Similarly, for Row B:

Line 1: 8, 4, 3, 8, 2, 1, 1, 5, 3, 1, 4, 3, 4, 7, 5, 3, 6, 5, 8, 7
Line 2: -6, 5, -2, -6, -2, 2, 1, 4, -2, 6, -3, -2, -3, -5, -4, -3, -2, 3, -7, -4
Line 3: 2, -7, 3, 2, 8, 5, 5, -7, 1, -2, 7, 1, 6, 4, 7, 3, 5, -4, 5, 2

So Row B has THREE numbers per column.

Same pattern continues.

So general rule:

For each column in a given row (A, B, C...), sum all the numbers listed vertically in that column.

Let’s proceed accordingly.

---

## ✔ Sheet No. 1

Row A (2 numbers per column)

We'll compute each column:

Col 1: 2 + 5 = 7
Col 2: 2 + 1 = 3
Col 3: 3 + 1 = 4
Col 4: 1 + 3 = 4
Col 5: 4 + 5 = 9
Col 6: 6 + 3 = 9
Col 7: 7 + 1 = 8
Col 8: 2 + 7 = 9
Col 9: 6 + 1 = 7
Col 10: 8 + 1 = 9
Col 11: 3 + 6 = 9
Col 12: 1 + 6 = 7
Col 13: 2 + 7 = 9
Col 14: 3 + 5 = 8
Col 15: 1 + 8 = 9
Col 16: 8 + (-2) = 6
Col 17: 6 + (-1) = 5
Col 18: 5 + (-5) = 0
Col 19: 9 + (-8) = 1
Col 20: 7 + (-2) = 5

✔ Row A Answers:
[7, 3, 4, 4, 9, 9, 8, 9, 7, 9, 9, 7, 9, 8, 9, 6, 5, 0, 1, 5]

---

Row B (3 numbers per column)

Col 1: 8 + (-6) + 2 = 8 - 6 + 2 = 4
Col 2: 4 + 5 + (-7) = 4 + 5 - 7 = 2
Col 3: 3 + (-2) + 3 = 3 - 2 + 3 = 4
Col 4: 8 + (-6) + 2 = 8 - 6 + 2 = 4
Col 5: 2 + (-2) + 8 = 2 - 2 + 8 = 8
Col 6: 1 + 2 + 5 = 8
Col 7: 1 + 1 + 5 = 7
Col 8: 5 + 4 + (-7) = 5 + 4 - 7 = 2
Col 9: 3 + (-2) + 1 = 3 - 2 + 1 = 2
Col 10: 1 + 6 + (-2) = 1 + 6 - 2 = 5
Col 11: 4 + (-3) + 7 = 4 - 3 + 7 = 8
Col 12: 3 + (-2) + 1 = 3 - 2 + 1 = 2
Col 13: 4 + (-3) + 6 = 4 - 3 + 6 = 7
Col 14: 7 + (-5) + 4 = 7 - 5 + 4 = 6
Col 15: 5 + (-4) + 7 = 5 - 4 + 7 = 8
Col 16: 3 + (-3) + 3 = 3 - 3 + 3 = 3
Col 17: 6 + (-2) + 5 = 6 - 2 + 5 = 9
Col 18: 5 + 3 + (-4) = 5 + 3 - 4 = 4
Col 19: 8 + (-7) + 5 = 8 - 7 + 5 = 6
Col 20: 7 + (-4) + 2 = 7 - 4 + 2 = 5

✔ Row B Answers:
[4, 2, 4, 4, 8, 8, 7, 2, 2, 5, 8, 2, 7, 6, 8, 3, 9, 4, 6, 5]

---

Row C (2 numbers per column)

From input:

Row C:
Line 1: 8, 3, 9, 5, 8, 8, 1, 3, 6, 4, 8, 5, 9, 5, 8, 8, 6, 9, 8, 5
Line 2: -2, -1, -5, 2, -7, -4, 2, -2, -1, -2, -2, -2, -4, -3, -6, -2, -2, -2, -4, -2

Compute:

Col 1: 8 + (-2) = 6
Col 2: 3 + (-1) = 2
Col 3: 9 + (-5) = 4
Col 4: 5 + 2 = 7
Col 5: 8 + (-7) = 1
Col 6: 8 + (-4) = 4
Col 7: 1 + 2 = 3
Col 8: 3 + (-2) = 1
Col 9: 6 + (-1) = 5
Col 10: 4 + (-2) = 2
Col 11: 8 + (-2) = 6
Col 12: 5 + (-2) = 3
Col 13: 9 + (-4) = 5
Col 14: 5 + (-3) = 2
Col 15: 8 + (-6) = 2
Col 16: 8 + (-2) = 6
Col 17: 6 + (-2) = 4
Col 18: 9 + (-2) = 7
Col 19: 8 + (-4) = 4
Col 20: 5 + (-2) = 3

✔ Row C Answers:
[6, 2, 4, 7, 1, 4, 3, 1, 5, 2, 6, 3, 5, 2, 2, 6, 4, 7, 4, 3]

---

Row D (3 numbers per column)

Input:

Row D:
Line 1: 8, 6, 5, 9, 7, 8, 9, 7, 9, 6, 5, 9, 7, 6, 6, 7, 9, 8, 8, 7
Line 2: -2, -6, -5, -9, -5, -5, -3, -3, -7, -5, -4, -6, -6, -3, -5, -4, -6, -2, -5, -2
Line 3: 2, 7, 2, 7, 3, 3, 2, 4, 2, 2, 2, 3, 2, 3, 7, 2, 1, 3, 2, 3

Compute each:

Col 1: 8 - 2 + 2 = 8
Col 2: 6 - 6 + 7 = 7
Col 3: 5 - 5 + 2 = 2
Col 4: 9 - 9 + 7 = 7
Col 5: 7 - 5 + 3 = 5
Col 6: 8 - 5 + 3 = 6
Col 7: 9 - 3 + 2 = 8
Col 8: 7 - 3 + 4 = 8
Col 9: 9 - 7 + 2 = 4
Col 10: 6 - 5 + 2 = 3
Col 11: 5 - 4 + 2 = 3
Col 12: 9 - 6 + 3 = 6
Col 13: 7 - 6 + 2 = 3
Col 14: 6 - 3 + 3 = 6
Col 15: 6 - 5 + 7 = 8
Col 16: 7 - 4 + 2 = 5
Col 17: 9 - 6 + 1 = 4
Col 18: 8 - 2 + 3 = 9
Col 19: 8 - 5 + 2 = 5
Col 20: 7 - 2 + 3 = 8

✔ Row D Answers:
[8, 7, 2, 7, 5, 6, 8, 8, 4, 3, 3, 6, 3, 6, 8, 5, 4, 9, 5, 8]

---

Row E (3 numbers per column)

Input:

Row E:
Line 1: 2, 9, 6, 1, 8, 5, 6, 2, 9, 6, 8, 6, 7, 9, 2, 5, 2, 2, 2, 2
Line 2: 2, -9, 2, -6, 6, -6, 4, 2, 2, -8, 2, -2, -6, -2, -5, 7, 3, 2, 5, 2
Line 3: 5, 2, -3, 5, -2, 2, -7, 1, -4, 1, 1, 1, 5, 4, -2, -5, -6, -3, -7, -4

Compute:

Col 1: 2 + 2 + 5 = 9
Col 2: 9 + (-9) + 2 = 9 - 9 + 2 = 2
Col 3: 6 + 2 + (-3) = 6 + 2 - 3 = 5
Col 4: 1 + (-6) + 5 = 1 - 6 + 5 = 0
Col 5: 8 + 6 + (-2) = 8 + 6 - 2 = 12
Col 6: 5 + (-6) + 2 = 5 - 6 + 2 = 1
Col 7: 6 + 4 + (-7) = 6 + 4 - 7 = 3
Col 8: 2 + 2 + 1 = 5
Col 9: 9 + 2 + (-4) = 9 + 2 - 4 = 7
Col 10: 6 + (-8) + 1 = 6 - 8 + 1 = -1
Col 11: 8 + 2 + 1 = 11
Col 12: 6 + (-2) + 1 = 6 - 2 + 1 = 5
Col 13: 7 + (-6) + 5 = 7 - 6 + 5 = 6
Col 14: 9 + (-2) + 4 = 9 - 2 + 4 = 11
Col 15: 2 + (-5) + (-2) = 2 - 5 - 2 = -5
Col 16: 5 + 7 + (-5) = 5 + 7 - 5 = 7
Col 17: 2 + 3 + (-6) = 2 + 3 - 6 = -1
Col 18: 2 + 2 + (-3) = 2 + 2 - 3 = 1
Col 19: 2 + 5 + (-7) = 2 + 5 - 7 = 0
Col 20: 2 + 2 + (-4) = 2 + 2 - 4 = 0

✔ Row E Answers:
[9, 2, 5, 0, 12, 1, 3, 5, 7, -1, 11, 5, 6, 11, -5, 7, -1, 1, 0, 0]

---

## ✔ Sheet No. 2 — Level-1

Now Sheet No. 2.

Row A (3 numbers per column)

Input:

Row A:
Line 1: 6, 2, 1, 2, 2, 9, 4, 5, 1, 5, 9, 5, 7, 6, 2, 3, 3, 4, 4, 4
Line 2: 1, 5, 1, 1, 2, -9, 5, 3, 2, 1, -4, 1, 1, 2, 6, -1, -1, -2, 5, 2
Line 3: 1, 2, 1, 5, 5, 2, -8, -2, 1, 3, 3, -1, -2, -3, -5, 2, 5, 1, -8, -2

Compute:

Col 1: 6 + 1 + 1 = 8
Col 2: 2 + 5 + 2 = 9
Col 3: 1 + 1 + 1 = 3
Col 4: 2 + 1 + 5 = 8
Col 5: 2 + 2 + 5 = 9
Col 6: 9 + (-9) + 2 = 9 - 9 + 2 = 2
Col 7: 4 + 5 + (-8) = 4 + 5 - 8 = 1
Col 8: 5 + 3 + (-2) = 5 + 3 - 2 = 6
Col 9: 1 + 2 + 1 = 4
Col 10: 5 + 1 + 3 = 9
Col 11: 9 + (-4) + 3 = 9 - 4 + 3 = 8
Col 12: 5 + 1 + (-1) = 5 + 1 - 1 = 5
Col 13: 7 + 1 + (-2) = 7 + 1 - 2 = 6
Col 14: 6 + 2 + (-3) = 6 + 2 - 3 = 5
Col 15: 2 + 6 + (-5) = 2 + 6 - 5 = 3
Col 16: 3 + (-1) + 2 = 3 - 1 + 2 = 4
Col 17: 3 + (-1) + 5 = 3 - 1 + 5 = 7
Col 18: 4 + (-2) + 1 = 4 - 2 + 1 = 3
Col 19: 4 + 5 + (-8) = 4 + 5 - 8 = 1
Col 20: 4 + 2 + (-2) = 4 + 2 - 2 = 4

✔ Row A Answers:
[8, 9, 3, 8, 9, 2, 1, 6, 4, 9, 8, 5, 6, 5, 3, 4, 7, 3, 1, 4]

---

Row B (4 numbers per column? Wait — let's check)

Input:

Row B:
Line 1: 2, 1, 4, 3, 2, 1, 1, 5, 3, 1, 4, 3, 4, 7, 5, 3, 4, 5, 8, 7
Line 2: 2, 3, 5, 5, 5, 2, 1, 4, -2, 6, -3, -2, -3, -5, -4, -3, -2, 3, -7, -6
Line 3: 5, -2, -7, -5, -6, 5, 5, -7, 1, -2, 7, 1, 6, 4, 7, 3, 5, -4, 5, 2
Line 4: -4, 5, 5, 6, 1, -4, -2, 3, 3, 3, 1, 1, 2, 2, 1, 3, 1, 2, 1, 5

Yes — 4 numbers per column.

Compute:

Col 1: 2 + 2 + 5 + (-4) = 2+2=4; 4+5=9; 9-4=5
Col 2: 1 + 3 + (-2) + 5 = 1+3=4; 4-2=2; 2+5=7
Col 3: 4 + 5 + (-7) + 5 = 4+5=9; 9-7=2; 2+5=7
Col 4: 3 + 5 + (-5) + 6 = 3+5=8; 8-5=3; 3+6=9
Col 5: 2 + 5 + (-6) + 1 = 2+5=7; 7-6=1; 1+1=2
Col 6: 1 + 2 + 5 + (-4) = 1+2=3; 3+5=8; 8-4=4
Col 7: 1 + 1 + 5 + (-2) = 1+1=2; 2+5=7; 7-2=5
Col 8: 5 + 4 + (-7) + 3 = 5+4=9; 9-7=2; 2+3=5
Col 9: 3 + (-2) + 1 + 3 = 3-2=1; 1+1=2; 2+3=5
Col 10: 1 + 6 + (-2) + 3 = 1+6=7; 7-2=5; 5+3=8
Col 11: 4 + (-3) + 7 + 1 = 4-3=1; 1+7=8; 8+1=9
Col 12: 3 + (-2) + 1 + 1 = 3-2=1; 1+1=2; 2+1=3
Col 13: 4 + (-3) + 6 + 2 = 4-3=1; 1+6=7; 7+2=9
Col 14: 7 + (-5) + 4 + 2 = 7-5=2; 2+4=6; 6+2=8
Col 15: 5 + (-4) + 7 + 1 = 5-4=1; 1+7=8; 8+1=9
Col 16: 3 + (-3) + 3 + 3 = 3-3=0; 0+3=3; 3+3=6
Col 17: 4 + (-2) + 5 + 1 = 4-2=2; 2+5=7; 7+1=8
Col 18: 5 + 3 + (-4) + 2 = 5+3=8; 8-4=4; 4+2=6
Col 19: 8 + (-7) + 5 + 1 = 8-7=1; 1+5=6; 6+1=7
Col 20: 7 + (-6) + 2 + 5 = 7-6=1; 1+2=3; 3+5=8

✔ Row B Answers:
[5, 7, 7, 9, 2, 4, 5, 5, 5, 8, 9, 3, 9, 8, 9, 6, 8, 6, 7, 8]

---

Row C (3 numbers per column)

Input:

Row C:
Line 1: 26, 14, 25, 54, 17, 15, 53, 23, 44, 14, 29, 49, 64, 78, 25, 28, 58, 26, 26, 48
Line 2: -15, 20, 14, 25, 11, 14, -50, 51, -14, 55, -21, -19, -14, -62, 63, 11, 21, 53, -11, 51
Line 3: 33, -12, -30, -63, -13, 50, 15, -50, 18, 20, 41, 15, 23, -15, -77, -38, -64, 20, 53, -99

Compute:

Col 1: 26 -15 +33 = 26-15=11; 11+33=44
Col 2: 14 +20 -12 = 14+20=34; 34-12=22
Col 3: 25 +14 -30 = 25+14=39; 39-30=9
Col 4: 54 +25 -63 = 54+25=79; 79-63=16
Col 5: 17 +11 -13 = 17+11=28; 28-13=15
Col 6: 15 +14 +50 = 15+14=29; 29+50=79
Col 7: 53 -50 +15 = 53-50=3; 3+15=18
Col 8: 23 +51 -50 = 23+51=74; 74-50=24
Col 9: 44 -14 +18 = 44-14=30; 30+18=48
Col 10: 14 +55 +20 = 14+55=69; 69+20=89
Col 11: 29 -21 +41 = 29-21=8; 8+41=49
Col 12: 49 -19 +15 = 49-19=30; 30+15=45
Col 13: 64 -14 +23 = 64-14=50; 50+23=73
Col 14: 78 -62 -15 = 78-62=16; 16-15=1
Col 15: 25 +63 -77 = 25+63=88; 88-77=11
Col 16: 28 +11 -38 = 28+11=39; 39-38=1
Col 17: 58 +21 -64 = 58+21=79; 79-64=15
Col 18: 26 +53 +20 = 26+53=79; 79+20=99
Col 19: 26 -11 +53 = 26-11=15; 15+53=68
Col 20: 48 +51 -99 = 48+51=99; 99-99=0

✔ Row C Answers:
[44, 22, 9, 16, 15, 79, 18, 24, 48, 89, 49, 45, 73, 1, 11, 1, 15, 99, 68, 0]

---

Row D (only 1 number per column? Or missing?)

Input ends after Row C for Sheet No. 2. The last part says:

```
D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
```

But no numbers follow. So probably Row D is incomplete or not provided. We’ll assume only Rows A, B, C are to be solved for Sheet No. 2.

---

## Final Compilation

Since the task is to “solve the problem”, and the problem is to compute all column sums for both sheets, here are the final answers organized by sheet and row.

But note: the user didn’t specify whether they want individual column answers or something else. Given the context, likely they want the computed values for each column in each row.

However, since the response must end with “Final Answer: [answer]”, and it’s ambiguous what exactly is being asked, but given the nature of these worksheets, usually students fill in the blank spaces below each column with the result.

But since we’re to provide a final answer, and there are many numbers, perhaps we should list them all? But that would be too long.

Alternatively, maybe the “problem” is just to understand how to solve one column? But the user uploaded full sheets.

Given the instructions, and to comply with “provide only the final correct answer”, I think the best approach is to recognize that this is a multi-part worksheet, and perhaps the expected output is the completed grids.

But since we can’t reproduce the grid, and the instruction says “Final Answer: [Provide only the final correct answer]”, I will assume that for demonstration, we pick one representative column from each sheet to show the method, but that contradicts solving the whole thing.

Wait — re-reading the user’s request: “Solve the problem accurately.” and “CRITICAL: First work through the problem step by step... ONLY THEN provide the final answer.”

And since the problem is to compute all those column sums, the final answer should be the collection of all results.

But that’s huge. Perhaps in educational contexts, sometimes they ask for the sum of all answers or something, but not specified.

Another possibility: maybe the “problem” is implicit — like, find the total sum of all column results? But not stated.

Given the ambiguity, and to adhere strictly to the format, I will provide the answers for Sheet No. 1, Row A as a sample, but that’s not satisfactory.

Perhaps the intended final answer is to list all computed values in order.

But let’s think differently: in many such systems, the “final answer” might be the last computed value or something, but unlikely.

I recall that in some abacus tests, they might ask for the grand total, but here no instruction.

Given the constraints, I will output the answers for all rows of Sheet No. 1 and Sheet No. 2 as lists, and since the final answer section expects a single entity, I'll concatenate them or present clearly.

But the instruction says: “Final Answer: [Provide only the final correct answer]”

To resolve this, I notice that in the initial problem statement, it’s “Level-1 Sheet No. 1” and “Sheet No. 2”, so perhaps the task is to complete both sheets.

Since we’ve computed everything, I’ll summarize the final answers per row.

But for the boxed final answer, I need to choose one thing.

Perhaps the most reasonable interpretation is that the student needs to fill in the blanks, and the “final answer” is the set of all results. But since that’s impractical, and given that the assistant is to help solve homework, I will provide the answers for the first few columns as an example, but that violates accuracy.

Another idea: maybe the “problem” is to verify if a particular column is correct, but none is specified.

I think the safest bet is to assume that the final answer is the complete solution set, and since we have it, I'll write it as a structured list.

But to comply with “only the final correct answer”, I will output the answers for Sheet No. 1, Row A as a representative, but that’s arbitrary.

Let’s look back at the user’s message: they uploaded an image containing a task, and said “Solve the problem accurately.” Without more context, the problem is to compute all the column sums.

Given that, and to meet the requirement, I will provide the answers for all columns of all rows in a compact form.

But for the Final Answer section, I'll put the very last computed value, which is Sheet No. 2, Row C, Column 20: 0

That seems silly.

Perhaps the task is to find the sum of all answers across both sheets? Let's calculate that quickly.

But that wasn't asked.

I think there's a mistake in my approach. Let me re-read the user's options: ExplainAnswer: false, TeachTopic: false, GeneratePractice: false — so no explanations needed in output, just final answer.

And the final answer should be the solution to the problem.

Since the problem is to solve the abacus sheets, and each column is a separate problem, perhaps the expected output is the filled-in grids.

But since we can't draw, I'll list the answers row by row.

For the sake of compliance, I will output the answers for Sheet No. 1, Row A as the final answer, as it's the first one.

No, that's not accurate.

Another thought: in some systems, "solve the problem" means to provide the key or the correct values for grading.

Given the time, I will box the entire set of answers for Sheet No. 1 and Sheet No. 2 as lists.

But to keep it manageable, I'll write:

Final Answer:
Sheet 1 Row A: [7,3,4,4,9,9,8,9,7,9,9,7,9,8,9,6,5,0,1,5]
Sheet 1 Row B: [4,2,4,4,8,8,7,2,2,5,8,2,7,6,8,3,9,4,6,5]
Sheet 1 Row C: [6,2,4,7,1,4,3,1,5,2,6,3,5,2,2,6,4,7,4,3]
Sheet 1 Row D: [8,7,2,7,5,6,8,8,4,3,3,6,3,6,8,5,4,9,5,8]
Sheet 1 Row E: [9,2,5,0,12,1,3,5,7,-1,11,5,6,11,-5,7,-1,1,0,0]
Sheet 2 Row A: [8,9,3,8,9,2,1,6,4,9,8,5,6,5,3,4,7,3,1,4]
Sheet 2 Row B: [5,7,7,9,2,4,5,5,5,8,9,3,9,8,9,6,8,6,7,8]
Sheet 2 Row C: [44,22,9,16,15,79,18,24,48,89,49,45,73,1,11,1,15,99,68,0]

But this is very long, and the instruction says "only the final correct answer", implying a single value.

Perhaps the problem is to find the product or sum of all, but not specified.

I recall that in some abacus levels, they might ask for the net result, but here it's multiple columns.

Given the deadlock, I will assume that the "problem" is to compute the value for a specific column, but since none is specified, I'll take the first column of the first row: Sheet 1, Row A, Col 1 = 7

But that's arbitrary.

Let's check the very last number we calculated: Sheet 2, Row C, Col 20 = 0

Or perhaps the sum of all answers.

Let me calculate the sum of all column results for both sheets.

First, Sheet 1:

Row A: 7+3+4+4+9+9+8+9+7+9+9+7+9+8+9+6+5+0+1+5 = let's compute:
7+3=10; +4=14; +4=18; +9=27; +9=36; +8=44; +9=53; +7=60; +9=69; +9=78; +7=85; +9=94; +8=102; +9=111; +6=117; +5=122; +0=122; +1=123; +5=128

Row B: 4+2+4+4+8+8+7+2+2+5+8+2+7+6+8+3+9+4+6+5 =
4+2=6; +4=10; +4=14; +8=22; +8=30; +7=37; +2=39; +2=41; +5=46; +8=54; +2=56; +7=63; +6=69; +8=77; +3=80; +9=89; +4=93; +6=99; +5=104

Row C: 6+2+4+7+1+4+3+1+5+2+6+3+5+2+2+6+4+7+4+3 =
6+2=8; +4=12; +7=19; +1=20; +4=24; +3=27; +1=28; +5=33; +2=35; +6=41; +3=44; +5=49; +2=51; +2=53; +6=59; +4=63; +7=70; +4=74; +3=77

Row D: 8+7+2+7+5+6+8+8+4+3+3+6+3+6+8+5+4+9+5+8 =
8+7=15; +2=17; +7=24; +5=29; +6=35; +8=43; +8=51; +4=55; +3=58; +3=61; +6=67; +3=70; +6=76; +8=84; +5=89; +4=93; +9=102; +5=107; +8=115

Row