D3313222132313113313132313232123313132322331322331323331333112121   >>    D331322213231311331313231323212331313232233132233132333133311212   <<    D3313222132313113313132313232123313132322331322331323331333112123   >>      D3313222132313113313132313232123313132322331322331323331333112122   >>