D12121323331322331313123231313231323223313231333131133132322233231   >>    D1212132333132233131312323131323132322331323133313113313232223323   <<    D12121323331322331313123231313231323223313231333131133132322233233   >>      D12121323331322331313123231313231323223313231333131133132322233232   >>