D3312121211331322331313232233132333132313133313113313232213231322321   >>    D331212121133132233131323223313233313231313331311331323221323132232   <<    D3312121211331322331313232233132333132313133313113313232213231322323   >>      D3312121211331322331313232233132333132313133313113313232213231322322   >>