D33121212113313133313232211233132322132322331323132323323221221   >>    D3312121211331313331323221123313232213232233132313232332322122   <<    D33121212113313133313232211233132322132322331323132323323221223   >>      D33121212113313133313232211233132322132322331323132323323221222   >>