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3 kyu
Make a spiral
14,648Bugari
Completed Languages:
4 kyu
Hamming Numbers
11,661xcthulhu
Completed Languages:
4 kyu
Next smaller number with the same digits
11,186LesRamer
Completed Languages:
4 kyu
Snail
76,239stevenbarragan
Completed Languages:
4 kyu
Square into Squares. Protect trees!
10,925g964
Completed Languages:
4 kyu
Smallest possible sum
7,525dkhaburdzania
Completed Languages:
4 kyu
Sum of Intervals
38,667xDranik
Completed Languages:
4 kyu
The observed PIN
37,000BattleRattle
Completed Languages:
4 kyu
Sum by Factors
19,208g964
Completed Languages:
4 kyu
Adding Big Numbers
32,317Becojo
Completed Languages:
5 kyu
Going to zero or to infinity?
5,909g964
Completed Languages:
4 kyu
Next bigger number with the same digits
37,569GiacomoSorbi
Completed Languages:
7 kyu
Growth of a Population
162,626g964
Completed Languages:
4 kyu
Sum Strings as Numbers
43,661nicknovitski
Completed Languages:
4 kyu
Large Factorials
9,179matt c
Completed Languages:
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