D3312121211331313331313232233132322331323132233132313233313232211211331   >>    D331212121133131333131323223313232233132313223313231323331323221121133   <<    D3312121211331313331313232233132322331323132233132313233313232211211333   >>      D3312121211331313331313232233132322331323132233132313233313232211211332   >>