D3312121211331322331313232233132333132333132233132313232231323111   >>    D331212121133132233131323223313233313233313223313231323223132311   <<    D3312121211331322331313232233132333132333132233132313232231323113   >>      D3312121211331322331313232233132333132333132233132313232231323112   >>