According to Orwell, after the fall of Soviet block (yes, after!) Europe and Russia are to merge into Eurasia. China is to merge with Korea and Japanetc into Eastasia and USA is to merge with Canada, Latin America , England, Australia and New Zealand into Oceania.
The rest will be the theater for the proxy wars.
The SCO combines the Yellow with much of the Red plus a smidgeon of the grey. The blue is much smaller than this due to increasing hatred of the US in the Americas - unless there is a reversal and a Reaganesque policy is set forth, the Americas look grim. Also, in reality, the Yellow now must include many portions of the grey area in Africa.