D3312121211331313331313232233132322331323132233132313231313331121   >>    D331212121133131333131323223313232233132313223313231323131333112   <<    D3312121211331313331313232233132322331323132233132313231313331123   >>      D3312121211331313331313232233132322331323132233132313231313331122   >>