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Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.

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4 kyu
Roman Numerals Helper
29,702jhoffner
Algorithms
Object-oriented Programming
7 kyu
My Language Skills
17,923anter69
Sorting
Arrays
Algorithms
5 kyu
Molecule to atoms
5,881romanzes
Parsing
Algorithms
Strings
Retired
Calculator (retired)
11,547obrok
Algorithms
Parsing
Logic
Strings
Expressions
Basic Language Features
Fundamentals
3 kyu
Rail Fence Cipher: Encoding and Decoding
8,523darrentburgess
Algorithms
Ciphers
Cryptography
Strings
Security
Retired
Checking Groups (retired)
7,129JS01
Algorithms
Data Structures
Strings
Data Types
6 kyu
Most Consecutive Zeros of a Binary Number
565ajLapid718
Fundamentals
Mathematics
Strings
6 kyu
Unwanted dollars
2,098geoffp
Fundamentals
6 kyu
Twisted Sum
5,810agram
Mathematics
Algorithms
8 kyu
A Strange Trip to the Market
15,180sergarrick
Regular Expressions
Strings
Fundamentals
8 kyu
Reverse List Order
52,323cmgerber
Lists
Fundamentals
6 kyu
What century is it?
10,797user1511460
Strings
Algorithms
Date Time
7 kyu
The Office IV - Find a Meeting Room
6,661PG1
Fundamentals
Arrays
8 kyu
Compare within margin
14,965ITSOES
Fundamentals
Logic
8 kyu
Gravity Flip
34,942LogicalX
Puzzles
Arrays
8 kyu
Template Strings
12,654matt c
Strings
Fundamentals
8 kyu
Convert to Binary
34,382JapaX
Mathematics
Algorithms
Fundamentals
6 kyu
Pile of towels
947diggi55
Sorting
Algorithms