D33112221323133313133313132233131333132313223313231123313132322321   >>    D3311222132313331313331313223313133313231322331323112331313232232   <<    D33112221323133313133313132233131333132313223313231123313132322323   >>      D33112221323133313133313132233131333132313223313231123313132322322   >>