D3312121211331313331313232233132322331323132233132313331313211111   >>    D331212121133131333131323223313232233132313223313231333131321111   <<    D3312121211331313331313232233132322331323132233132313331313211113   >>      D3312121211331313331313232233132322331323132233132313331313211112   >>