in the end I rewrote the same function 10 times, to give me this result

['wss://relay.damus.io/', 'wss://nos.lol/']

[]

['wss://filter.nostr.wine/npub1m3xdppkd0njmrqe2ma8a6ys39zvgp5k8u22mev8xsnqp4nh80srqhqa5sf']

['wss://nostr.wine/', 'wss://relay.nostr.band/']

['wss://relay.damus.io/', 'wss://relay.highlighter.com/']

[]

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