D3312121211331313331313232233132322331323132233132313231333131323331   >>    D331212121133131333131323223313232233132313223313231323133313132333   <<    D3312121211331313331313232233132322331323132233132313231333131323333   >>      D3312121211331313331313232233132322331323132233132313231333131323332   >>