D33131112113313231333133313331333132313231323132322331323221111   >>    D3313111211331323133313331333133313231323132313232233132322111   <<    D33131112113313231333133313331333132313231323132322331323221113   >>      D33131112113313231333133313331333132313231323132322331323221112   >>