D3313221123132313231323233231323223313231323221333132322331323221211   >>    D331322112313231323132323323132322331323132322133313232233132322121   <<    D3313221123132313231323233231323223313231323221333132322331323221213   >>      D3313221123132313231323233231323223313231323221333132322331323221212   >>