D33112221323133313133313132233131333132313223313231323212331323132211331   >>    D3311222132313331313331313223313133313231322331323132321233132313221133   <<    D33112221323133313133313132233131333132313223313231323212331323132211333   >>      D33112221323133313133313132233131333132313223313231323212331323132211332   >>