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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
30,350jhoffner
Algorithms
Object-oriented Programming
7 kyu
My Language Skills
18,009anter69
Sorting
Arrays
Algorithms
5 kyu
Molecule to atoms
5,921romanzes
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
8,685darrentburgess
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
568ajLapid718
Fundamentals
Mathematics
Strings
6 kyu
Unwanted dollars
2,105geoffp
Fundamentals
6 kyu
Twisted Sum
5,963agram
Mathematics
Algorithms
8 kyu
A Strange Trip to the Market
15,591sergarrick
Regular Expressions
Strings
Fundamentals
8 kyu
Reverse List Order
53,513cmgerber
Lists
Fundamentals
6 kyu
What century is it?
11,189user1511460
Strings
Algorithms
Date Time
7 kyu
The Office IV - Find a Meeting Room
6,747PG1
Fundamentals
Arrays
8 kyu
Compare within margin
15,244ITSOES
Fundamentals
Logic
8 kyu
Gravity Flip
35,418LogicalX
Puzzles
Arrays
8 kyu
Template Strings
12,876matt c
Strings
Fundamentals
8 kyu
Convert to Binary
34,684JapaX
Mathematics
Algorithms
Fundamentals
6 kyu
Pile of towels
949diggi55
Sorting
Algorithms