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SPSSs Order 57;

In 1999 Ian Gambini found the first SPSSs of order 57. He published 2 small SPSS of order 57 : 985A I_G 1999, 56 : 1122A I_G 1999

In 2014 Brian Trial found 5432 order 57 SPSSs.

In 2018 Bernard Moss found 958 order 57 SPSSs using a transform applied to Brian Trial's discoveries.

More recently Bernard Moss found thousands more SPSSs in order 57, some quite small, including the three smallest found so far with a sides of 817, 864 and 984. These are shown below.

There are 10186 known SPSSs of Order 57. Files provided as;

o57-817A-BLM.png o57-864A-BLM.png o57-984A-BLM.png o57-9845-I_G.png o57-1122A-I_G.png