D3312121211331322331313232233132333132333132233132333132313233313232212111   >>    D331212121133132233131323223313233313233313223313233313231323331323221211   <<    D3312121211331322331313232233132333132333132233132333132313233313232212113   >>      D3312121211331322331313232233132333132333132233132333132313233313232212112   >>