Find a colour-ring project

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Titlesort descending Colour-ring type Soort Colour-ring colour Colour-ring code First letter Last letter Colour-ring position
Crows Legring : one, coded. Common Raven Orange [O] Three alpha-numeric code (3 letters/numbers). Tarsus right.
Crows Legring : one, coded. Common Raven Orange [O] Two alpha-numeric code (2 letters/numbers).
Crows Wingtag : coded. Common Raven Orange [O] Three numeric code (3 numbers).