Interpret a UUID

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UUID: 
Your input:                      66fe1e74-1937-40db-a985-53e099f13f4d

Various notations:

URN:                             urn:uuid:66fe1e74-1937-40db-a985-53e099f13f4d
URI:                             uuid:66fe1e74-1937-40db-a985-53e099f13f4d
Microsoft GUID syntax:           {66FE1E74-1937-40DB-A985-53E099F13F4D}
C++ struct syntax:               { 0x66fe1e74, 0x1937, 0x40db, { 0xa9, 0x85, 0x53, 0xe0, 0x99, 0xf1, 0x3f, 0x4d } }

As OID (ISO/ITU-T 128 bits):     2.25.136900716642688148907730494395700559693
As OID (Microsoft):              1.2.840.113556.1.8000.2554.26366.7796.6455.16603.43397.5496985.15810381
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.7421402719941247195.12215261788432842573
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.1727929972.423051483.2844087264.2582724429
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.26366.7796.6455.16603.43397.21472.39409.16205

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     01100110 11111110 00011110 01110100 00011001 00110111 ????0000 11011011
                                 ??101001 10000101 01010011 11100000 10011001 11110001 00111111 01001101
Random bytes:                    [0x66fe1e741937?0db?98553e099f13f4d]