D12121212213231323132323323132322331323132333133112323132323231   >>    D1212121221323132313232332313232233132313233313311232313232323   <<    D12121212213231323132323323132322331323132333133112323132323233   >>      D12121212213231323132323323132322331323132333133112323132323232   >>