D12121212213231323132323323132322331323132322133313233313131323311   >>    D1212121221323132313232332313232233132313232213331323331313132331   <<    D12121212213231323132323323132322331323132322133313233313131323313   >>      D12121212213231323132323323132322331323132322133313233313131323312   >>