Code #1

Observations

18 characters with the right amount of numbers for a valid passcode

Make a 9×2 grid

`v`	`5`	`r`	`n`	`s`	`e`	`5`	`s`	`g`
`u`	`5`	`m`	`i`	`s`	`e`	`2`	`5`	`u`

Reverse the first row

`g`	`s`	`5`	`e`	`s`	`n`	`r`	`5`	`v`
`u`	`5`	`m`	`i`	`s`	`e`	`2`	`5`	`u`

Read going down from the upper left G

gus55meissner255vu

Code #2

Observations

Again, same old cipher but with a twist

Make a 4×4 grid

`v`	`5`	`r`	`n`	`s`	`e`	`5`	`s`	`g`
`u`	`5`	`m`	`i`	`s`	`e`	`2`	`5`	`u`

Read in a spiral pattern from the middle M

mhc88whydah747qh

Code #3

Observations

All numbers but the range is too low for decimal

Let’s start by making pairs to see if we can spot a pattern

31 33 22 07 08 35 37 14 38 36 30 14 31 30 09 00 09 22 38

Look where the numbers should fall in the passcode format, they all start with 0. We know that in morse 0 becomes 5 if you swap the bits

Convert to morse

...-- .---- ...-- ...-- ..--- ..--- ----- --... ----- ---.. ...-- ..... ...-- --... .---- ....- ...-- ---.. ...-- -.... ...-- ----- .---- ....- ...-- .---- ...-- ----- ----- ----. ----- ----- ----- ----. ..--- ..--- ...-- ---..

Swap morse bits

---.. -.... ---.. ---.. --... --... ..... ..--- ..... ...-- ---.. ----- ---.. ..--- -.... ----. ---.. ...-- ---.. .---- ---.. ..... -.... ----. ---.. -.... ---.. ..... ..... ....- ..... ..... ..... ....- --... --... ---.. ...--

Convert morse to text

86 88 77 52 53 80 82 69 83 81 85 69 86 85 54 55 54 77 83

Convert decimal to Ascii

VXM45PRESQUEVU676MS

`h`	`8`	`w`	`h`
`q`	`8`	`m`	`y`
`7`	`c`	`h`	`d`
`4`	`7`	`h`	`a`

Code #1

Observations

Code #2

Observations

Code #3

Observations

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