D3312121211331322331313232233132333132333132233132313123232223331   >>    D331212121133132233131323223313233313233313223313231312323222333   <<    D3312121211331322331313232233132333132333132233132313123232223333   >>      D3312121211331322331313232233132333132333132233132313123232223332   >>