LONG [eLong,] SC 13G/A: CUSIP No. 290138205 1. Names of Reporting Person
[CUSIP No. 290138205 1. Names of Reporting Person CRCM Institutional Master Fund (BVI), Ltd. I.R.S. Identification Nos. of above persons (entities only) 2. Check the Appropriate Box if a Member of a Group (See Instructions) o (a) ** þ (b) 3. SEC Use Only 4. Citizenship or Place of Organization: British Virgin Islands Number of Shares]