00406nam a22001457a 450000500170000001000130001702000250003003500130005503700100006808200110007824500650008926000390015427000440019330000230023720110927104048.0  aG-001581  c85.00a97881222045991daG-001581  bGift   a793.74  aExtreme sudoku:b101 tricky puzzles for the advanced player   aNew Delhi bOrient Paperbackc2009  a5A/8, Ansari Road, bNew Delhi e110002  a126p. c18cm(pbk)