D33132233232132333132313111123313232233133313231333132313113313221323331   >>    D3313223323213233313231311112331323223313331323133313231311331322132333   <<    D33132233232132333132313111123313232233133313231333132313113313221323333   >>      D33132233232132333132313111123313232233133313231333132313113313221323332   >>