D12121212213231323132323323132322331323132333133112323132322131   >>    D1212121221323132313232332313232233132313233313311232313232213   <<    D12121212213231323132323323132322331323132333133112323132322133   >>      D12121212213231323132323323132322331323132333133112323132322132   >>