Interpret a UUID

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UUID: 
Your input:                      f1fce21e-c77a-406c-be51-2538e00db6e9

Various notations:

URN:                             urn:uuid:f1fce21e-c77a-406c-be51-2538e00db6e9
URI:                             uuid:f1fce21e-c77a-406c-be51-2538e00db6e9
Microsoft GUID syntax:           {F1FCE21E-C77A-406C-BE51-2538E00DB6E9}
C++ struct syntax:               { 0xf1fce21e, 0xc77a, 0x406c, { 0xbe, 0x51, 0x25, 0x38, 0xe0, 0x0d, 0xb6, 0xe9 } }

As OID (ISO/ITU-T 128 bits):     2.25.321656992055666112779510826807633753833
As OID (Microsoft):              1.2.840.113556.1.8000.2554.61948.57886.51066.16492.48721.2439392.898793
As OID (Waterjuice 2x64 bits):   1.3.6.1.4.1.54392.1.17437060479095292012.13713783266527262441
As OID (Waterjuice 4x32 bits):   1.3.6.1.4.1.54392.2.4059882014.3346677868.3192988984.3758995177
As OID (Waterjuice 8x16 bits):   1.3.6.1.4.1.54392.3.61948.57886.51066.16492.48721.9528.57357.46825

Interpretation of the UUID:

Variant:                         [0b10_] RFC 4122 (Leach-Mealling-Salz)
Version:                         [0x4] Random
Random bits:                     11110001 11111100 11100010 00011110 11000111 01111010 ????0000 01101100
                                 ??111110 01010001 00100101 00111000 11100000 00001101 10110110 11101001
Random bytes:                    [0xf1fce21ec77a?06c?e512538e00db6e9]