D33112221323133313133313132233131333132313223313231123313132313231323221   >>    D3311222132313331313331313223313133313231322331323112331313231323132322   <<    D33112221323133313133313132233131333132313223313231123313132313231323223   >>      D33112221323133313133313132233131333132313223313231123313132313231323222   >>