D2333131333132213231323223313111122112323223313231323112211232313231322221   >>    D233313133313221323132322331311112211232322331323132311221123231323132222   <<    D2333131333132213231323223313111122112323223313231323112211232313231322223   >>      D2333131333132213231323223313111122112323223313231323112211232313231322222   >>