D33132233232132333132313111123313232233133313231333132233121121   >>    D3313223323213233313231311112331323223313331323133313223312112   <<    D33132233232132333132313111123313232233133313231333132233121123   >>      D33132233232132333132313111123313232233133313231333132233121122   >>