D33132233232132333132313111123313232233133313231333131333131211   >>    D3313223323213233313231311112331323223313331323133313133313121   <<    D33132233232132333132313111123313232233133313231333131333131213   >>      D33132233232132333132313111123313232233133313231333131333131212   >>