Here is a Challenge open to all - can you construct a vector design for this Puzzle Ring?

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To make it a little harder, my rings all have a 2pt White Line Width and the coloured widths are all 2cm.
The Green ring is 16cm diameter.
The other rings are just over 22 x 9 cm.

The sizes are mostly unimportant; I am looking for how the overlapping is addressed.

Acorn