D33112221323133313133313132233131333132313223313231323213232311   >>    D3311222132313331313331313223313133313231322331323132321323231   <<    D33112221323133313133313132233131333132313223313231323213232313   >>      D33112221323133313133313132233131333132313223313231323213232312   >>