D3312121211331313331313232233132322331323132233132313233313132322131   >>    D331212121133131333131323223313232233132313223313231323331313232213   <<    D3312121211331313331313232233132322331323132233132313233313132322133   >>      D3312121211331313331313232233132322331323132233132313233313132322132   >>