D33132233232132333132313111123313232233133313231333132313133313221321   >>    D3313223323213233313231311112331323223313331323133313231313331322132   <<    D33132233232132333132313111123313232233133313231333132313133313221323   >>      D33132233232132333132313111123313232233133313231333132313133313221322   >>