Here you can find old version of sphere
First Grayworld ...
Version Release Date 55a - 55j - UNKNOWN - 55r1 November 14 2003 55r2 November 27 2003 55r2a December 02 2003 55r3 RC1 January 08 2004 55r3 RC2 January 25 2004 55r3 RC3 February 06 2004 55r3 May 31 2004 55r4.0.1 June 07 2004 55r4.0.2 July 22 2004 55r4.0.3 - Never released - 56a December 08 2004 56b Jun 16 2013 56c April 10 2016