(Bloomberg) -- Much of Russia’s existing gas export infrastructure points West. Unfortunately for Moscow, most of its gas customers are now to its East and a lot of the infrastructure it needs to supply them is yet to be built. This mismatch of pipelines and customers — which is likely to take years to resolve — forms part of a bigger question triggered by Moscow’s assault on Ukraine. The war has cut Russia adrift from Europe, its biggest gas export market. So what has Russia — which has the lar