# Sequence Analyzer

Simple+

Consider a sequence of uppercase alphabetic characters (A-Z). The sequence is said to have a "constant step" if the distance between adjacent characters in the sequence is the same. For example, the distance between A and B is 1, D and F is 2, P and V is 6, Z and C is 3 etc. Note that "wraparound" from Z to C is defined. The following sequences have a "constant step":

```    ACEG... step = 2
AZYX... step = 25
```

Two or mor sequences are said to be "intertwined" if their adjacent elements are separated by exactly one element of each of the other sequences. For example, the following sequences are intertwined:

```    AQBRCSDT... sequences: ABCD... step = 1
QRST... step = 1
AZTAYRAXP...sequences:  AAA... step = 0
ZYX... step = 25
TRP... step = 24
```

For the given string of 12 characters of 1, 2 or 3 (find out it by yourself) intertwined sequences, return the next 12 character of the sequence.

Input: String (str).

Output: String (str).

Examples:

```assert analyzer("ACEGIKMOQSUW") == "YACEGIKMOQSU"
assert analyzer("AQBRCSDTEUFV") == "GWHXIYJZKALB"
assert analyzer("AZTAYRAXPAWN") == "AVLAUJATHASF"
```

The mission was taken from The International Collegiate Programming Contest - 1980.

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CheckiO Extensions

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

`pip3 install checkio_client`

`checkio --domain=py config --key=`

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`checkio sync`

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`checkio serv -d`

Alternatevly, you can install Chrome extension or FF addon

`checkio install-plugin`
`checkio install-plugin --ff`
`checkio install-plugin --chromium`

Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

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