D3312121211331322331313232233132333132313231211113313232313233311   >>    D331212121133132233131323223313233313231323121111331323231323331   <<    D3312121211331322331313232233132333132313231211113313232313233313   >>      D3312121211331322331313232233132333132313231211113313232313233312   >>