D3313221123132313231323233231323223313231323221333132333132333132313232213331   >>    D331322112313231323132323323132322331323132322133313233313233313231323221333   <<    D3313221123132313231323233231323223313231323221333132333132333132313232213333   >>      D3313221123132313231323233231323223313231323221333132333132333132313232213332   >>