I believe the problem description has an error. There are two examples given at the end of the description, and they are given as "Input NTSB". Should be "Input NTBS".
Determine if a Given Number is a Triangle Number
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Genome Sequence 003R: Sequence DNA of random positioned and flipped segments
GJam 2017 Kickstart: Vote (Large)
GJam March 2016 IOW: Passwords and the Block Set
Sudoku Solver - Standard 9x9
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