Interpret a UUID

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UUID: 
Your input:                      664100aa-1e3c-4c02-91d8-0634333bec7e

Various notations:

URN:                             urn:uuid:664100aa-1e3c-4c02-91d8-0634333bec7e
URI:                             uuid:664100aa-1e3c-4c02-91d8-0634333bec7e
Microsoft GUID syntax:           {664100AA-1E3C-4C02-91D8-0634333BEC7E}
C++ struct syntax:               { 0x664100aa, 0x1e3c, 0x4c02, { 0x91, 0xd8, 0x06, 0x34, 0x33, 0x3b, 0xec, 0x7e } }

As OID (ISO/ITU-T 128 bits):     2.25.135918768344011255048052765916883840126
As OID (Microsoft):              1.2.840.113556.1.8000.2554.26177.170.7740.19458.37336.406579.3927166
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.7368171196006550530.10509156551736683646
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.1715536042.507268098.2446853684.859565182
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.26177.170.7740.19458.37336.1588.13115.60542

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     01100110 01000001 00000000 10101010 00011110 00111100 ????1100 00000010
                                 ??010001 11011000 00000110 00110100 00110011 00111011 11101100 01111110
Random bytes:                    [0x664100aa1e3c?c02?1d80634333bec7e]