C# Guid.ToString()
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N 32 digits:
00000000000000000000000000000000
D 32 digits separated by hyphens:
00000000-0000-0000-0000-000000000000
B 32 digits separated by hyphens, enclosed in braces:
{00000000-0000-0000-0000-000000000000}
P 32 digits separated by hyphens, enclosed in parentheses:
(00000000-0000-0000-0000-000000000000)
X Four hexadecimal values enclosed in braces, where the fourth value is a subset of eight hexadecimal values that is also enclosed in braces:
