D12121212213231323132323323132322331323132333133313132313311223221   >>    D1212121221323132313232332313232233132313233313331313231331122322   <<    D12121212213231323132323323132322331323132333133313132313311223223   >>      D12121212213231323132323323132322331323132333133313132313311223222   >>