D3312121211331322331313232233132333132333132233132313113313232311   >>    D331212121133132233131323223313233313233313223313231311331323231   <<    D3312121211331322331313232233132333132333132233132313113313232313   >>      D3312121211331322331313232233132333132333132233132313113313232312   >>