Cant access free champ rotation on my smurf?

I can't play any free week champs on my lvl 11 smurf for some reason, tge free champs I have are {{champion:56}} {{champion:51}} {{champion:5}} {{champion:420}} {{champion:267}} {{champion:63}} {{champion:37}} and a few others. Maybe its been changed or something but last time i played it was level 6? Can someone confirm if its a change or a bug?
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