D3312121211331322331313232233132333132333132233132313232211233132322311   >>    D331212121133132233131323223313233313233313223313231323221123313232231   <<    D3312121211331322331313232233132333132333132233132313232211233132322313   >>      D3312121211331322331313232233132333132333132233132313232211233132322312   >>