D3312121211331313331313232233132322331323132233132313231333132313231311321   >>    D331212121133131333131323223313232233132313223313231323133313231323131132   <<    D3312121211331313331313232233132322331323132233132313231333132313231311323   >>      D3312121211331313331313232233132322331323132233132313231333132313231311322   >>