D33121212113313133313132322331323223313231322331323133313222211   >>    D3312121211331313331313232233132322331323132233132313331322221   <<    D33121212113313133313132322331323223313231322331323133313222213   >>      D33121212113313133313132322331323223313231322331323133313222212   >>