D3312121211331322331313232233132333132313133313113313232213233321   >>    D331212121133132233131323223313233313231313331311331323221323332   <<    D3312121211331322331313232233132333132313133313113313232213233323   >>      D3312121211331322331313232233132333132313133313113313232213233322   >>