D3312121211331313331313232233132322331323132233132313113313233221   >>    D331212121133131333131323223313232233132313223313231311331323322   <<    D3312121211331313331313232233132322331323132233132313113313233223   >>      D3312121211331313331313232233132322331323132233132313113313233222   >>