No No No

Challenge:

No! No… nono ..

Where’s the egg???






Solution:

At first glance I thought the challenge was a massive Sudoku puzzle but quickly realized there were too many repeating numbers in some columns and rows. I Google searched for “nono puzzle” and learned of a Nonogram puzzle.

After some additional searching, and trial and error, I found an online Nonogram solver that I used to solve the challenge. After transcribing the numbers from the challenge image I created a submission file containing the data (included below), chose the PNG Output option, set scale to 20 and selected the Solve the puzzle option. The result was a valid QR Code containing the flag.

The accepted flag was, he2021{Y3sY3sY3sgram_s0unds_a_l0t_nic3r}

width 29
height 29

columns
7,2,1,2,4,7
1,1,1,1,1,1
1,3,1,1,3,4,1,3,1
1,3,1,2,3,1,1,1,3,1
1,3,1,1,5,3,1,3,1
1,1,1,1,1,1,1,1,1,1,1
7,1,1,1,1,1,1,1,7
1
6,1,5,1,4,1
3,1,1,2,1,1,2,3,3
1,1,3,1,3,1,2
2,1,3,1,1,1,1,3,1
3,1,1,4,1,4,5
1,1,1,1,1,2,3,2
1,1,4,4,1,1,1,4
2,1,1,4,3,2,1
2,1,2,5,3,1,1,4
1,3,1,1,1,2,1
2,1,1,1,1,1,1,2
1,1,1,2,2,1,1,3,2,1
1,9,2,1,6,1
1,1,1,1,1,1,1
7,2,1,1,1,2,1,1,1,1
1,1,3,1,1,3,1,4
1,3,1,2,1,2,2,6,1,1
1,3,1,1,1,1,3,3,1,1
1,3,1,1,1,1,1,3,1,1
1,1,3,1,1,3,5
7,1,1,1,1,2,2

rows
7,1,1,1,1,7
1,1,1,3,2,1,1,1,1
1,3,1,2,2,2,2,1,3,1
1,3,1,1,1,1,1,1,1,3,1
1,3,1,1,2,1,1,2,1,3,1
1,1,2,1,1,1,1,1
7,1,1,1,1,1,1,1,7
2,1,1,1,2
1,5,5,1,2,5
2,1,3,1,3,1,3,1
2,3,2,3,2,1,1
1,3,1,2,1,1,1,1,1,2
5,2,2,1,1,3
1,3,2,1,4,3,1,1
1,3,1,1,2,5,2
2,2,3,1
2,2,2,2,3,1,4
1,1,1,1,2,1,2,3,2
1,1,3,4,2,1,1,1
1,1,1,5,1,1,1,2,1
1,4,2,3,9
1,1,1,1,2,1,3
7,1,2,1,1,2,1,3
1,1,2,2,3,2,2,1
1,3,1,2,2,1,6,2
1,3,1,1,1,1,1,1,3,1,3
1,3,1,2,4,2,4,1
1,1,3,2,1,2,1,1
7,3,1,1,1,1,3

Published:

Updated:

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