You need a router having 2 interfaces with each VLAN connected to untagged each set To appropriate VLAN arrangement each client station must have a route (maybe default) to the subnet of another VLAN via the user's address on its VLAN.
You need a router having 2 interfaces with addresses from each VLAN connected to untagged ports each set to appropriate VLAN. Each client station must have a route (maybe default) to the subnet of another VLAN via the router's address in its VLAN.