D3312121211331313331313232233132322331323132233131133132313232111   >>    D331212121133131333131323223313232233132313223313113313231323211   <<    D3312121211331313331313232233132322331323132233131133132313232113   >>      D3312121211331313331313232233132322331323132233131133132313232112   >>